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| 1 | What’s So Special about China’s Exports?显示文摘Much more than comparative advantage and free markets have been at play in shaping China’s export success. Government policies have helped nurture domestic capabilities in consumer electronics and other advanced areas that would most likely not have developed in their absence. As a result, China has ended up with an export basket that is significantly more sophisticated than what would be normally expected for a country at its income level. This has been an important determinant of China’s rapid growth. What matters for China’s future growth is not the volume of exports, but whether China will continue to latch on to higher-income products over time. | Dani Rodrik | 2006 | China & World Economy2006，14，5： | 290 |
| 2 | 新疆天山西部三个云杉上树线树轮最大密度年表的研制、相关性及其气候信号分析显示文摘针对新疆天山西部伊犁、博尔塔拉蒙古自治区州三大山体北坡云杉上树线树木年轮最大密度资料,采用区域曲线、负指数曲线、样条函数三种不同生长去趋势方法,研制树轮最大密度年表,分析不同采点和树轮去趋势方法对树轮最大密度年表在不同频域的相关性及气候信号的影响发现:①三个采点间的最大树轮密度变化,在高频变化方面最为相似,低频变化存在着较大差异;②天山西部山脉北坡上树线的树轮最大密度年表对年表研制的三种不同去趋势方法不敏感,而采点间的距离和是否位于同一气候区是影响上树线树轮最大密度年表间相关性的重要因子;③天山西部山脉北坡上树线的树轮最大密度年表对当年的温度具有显著的相关性,年降水量越多的山区,其上树线最大密度年表对温度的相关性越好,且显著相关平均温度涉及的月数也不断增多。 | 袁玉江 Esper Jan 魏文寿 Nievergelt Danie Verstege Anne 喻树龙 张瑞波 | 2008 | 干旱区地理2008，31，4： | 38 |
| 3 | Using iron fertilizer to control Cd accumulation in rice plants: A new promising technology显示文摘Effects of two kinds of iron fertilizer, FeSO4 and EDTA·Na2Fe were studied on cadmium accumulation in rice plants with two rice genotypes, Zhongzao 22 and Zhongjiazao 02, with soil culture systems. The results showed that application of iron fertilizers could hardly make adverse effects on plant growth and rice grain yield. Soil application of EDTA·Na2Fe significantly reduced the Cd accumulation in rice roots, shoots and rice grain. Cd concentration in white rice of both rice genotypes in the treatment of soil application of EDTA·Na2Fe was much lower than 0.2 mg/kg, the maximal Cd permission concentra- tion in cereal crop foods in State standard. However, soil application of FeSO4 or foliar application of FeSO4 or EDTA·Na2Fe resulted in the significant increase of Cd accumulation in rice plants including rice grain compared with the control. The results also showed iron fertilizers increased the concentra- tion of iron, copper and manganese element in rice grain and also affected zinc concentration in plants. It may be a new promising way to regulate Cd accumulation in rice grain in rice production through soil application of EDTA·Na2Fe fertilizers to maintain higher content of available iron and ferrous iron in soils. | SHAO GuoSheng, CHEN MingXue, WANG DanYing, XU ChunMei, MOU RenXiang, CAO ZhaoYun & ZHANG XiuFu China National Rice Research Institute, Hangzhou 31006, China | 2008 | Science China(Life Sciences)2008，51，3： | 28 |
| 4 | 中国的出口有何独到之处?显示文摘本文通过比较研究的方法对中国的出口结构进行了定量评价,证明中国的贸易模式并非按照通常的比较优势来进行,而是独辟蹊径,发展了一条不同于其他发展中国家的出口模式:致力于较高生产率产品的生产,努力开拓先进的、高技术产品的出口之路。文章以事实和数据证明,如果依据产品的精密性来考察,中国的出口结构与比其人均收入高三倍的国家的出口结构相同。文章还回顾了中国电子消费品行业的发展历程,以此见证中国政府在产品出口方面的政策和作用。 | Dani Rodrik 田慧芳 | 2006 | 世界经济2006，29，3： | 25 |
| 5 | Nanobubble generation and its applications in froth flotation(part IV):mechanical cells and specially designed column flotation of coal显示文摘Coal is the world's most abundant fossil fuel.Coal froth flotation is a widely used cleaning process to separate coal from mineral impurities.Flotation of coarse coal particles,ultrafine coal particles and oxidized coal particles is well known to be difficult and complex.In this paper,the nanobubbles' effects on the flotation of the varying particle size,particle density and floatability coal samples were evaluated using a bank of pilot scale flotation cells,a laboratory scale and a pilot scale specially designed flotation column.The parameters evaluated during this study include the flow rate ratio between the nanobubble generator and the conventional size bubble generator,the superficial air velocity,collector dosage,frother concentration,flotation feed rate,feed solids concentration,feed particle size,and the superficial wash water flow rate,etc.The results show that the use of nanobubbles in a bank of mechanical cells flotation and column flotation increased the flotation recovery by 8%~27% at a given product grade.Nanobubbles increased the flotation rate constants of 600~355,355~180,180~75,and 75~0 microns size coal particles by 98.0%,98.4%,50.0% and 41.6%,respectively.The separation selectivity index was increased by up to 34%,depending on the flotation feed characteristics and the flotation conditions. | FAN Maoming TAO Danie HONAKER Rick LUO Zhenfu | 2010 | Mining Science and Technology2010，20，5： | 18 |
| 6 | Activation of Defense Response Pathways by OGs and Fig22 Elicitors in Arabidopsis Seedlings显示文摘 | Carine Denoux Roberta Galletti Nicole Mammarella Suresh Gopalan Danièle Werck Giulia De Lorenzo Simone Ferrari Frederick M. Ausubel Julia Dewdney | 2008 | Molecular Plant2008，1，3： | 13 |
| 7 | The potential for liquid biopsies in the precision medical treatment of breast cancer显示文摘Currently the clinical management of breast cancer relies on relatively few prognostic/predictive clinical markers(estrogen receptor, progesterone receptor, HER2), based on primary tumor biology. Circulating biomarkers, such as circulating tumor DNA(ctDNA) or circulating tumor cells(CTCs) may enhance our treatment options by focusing on the very cells that are the direct precursors of distant metastatic disease, and probably inherently different than the primary tumor's biology. To shift the current clinical paradigm, assessing tumor biology in real time by molecularly profiling CTCs or ctDNA may serve to discover therapeutic targets, detect minimal residual disease and predict response to treatment. This review serves to elucidate the detection,characterization, and clinical application of CTCs and ctDNA with the goal of precision treatment of breast cancer. | Victoria A.Forte Dany K.Barrak Mostafa Elhodaky Lily Tung Anson Snow Julie E.Lang | 2016 | Cancer Biology & Medicine2016，13，1： | 13 |
| 8 | Effect of various crop rotations on rice yield and nitrogen use efficiency in paddy–upland systems in southeastern China显示文摘To evaluate the effects of various rotation systems on rice grain yield and N use efficiency, a paddy–upland cropping experiment(2013–2016) was conducted in southeastern China. The experiment was designed using six different rice––winter crop rotations: rice–fallow(RF),rice–wheat(RW), rice–potato with rice straw mulch(RP), rice–green manure(Chinese milk vetch; RC–G), rice–oilseed rape(RO), and rice–green manure crop(oilseed rape with fresh straw incorporated into soil at flowering; RO–G) and three N rates, N0(0 kg N ha-1), N1(142.5 kg N ha-1), and N2(202.5 kg N ha-1). Average rice yields in the RF(5.93 t ha-1) rotation were significantly lower than those in the rotations with winter crops(7.20–7.48 t ha-1)under the N0 treatment, suggesting that incorporation of straw might be more effective for increasing soil N than winter fallow. The rice yield differences among the rotations varied by year with the N input. In general, the grain yields in the RP and RO–G rotations –were respectively 11.6–28.5% and 14.80–37.19% higher than those in the RF in plots with N applied. Increasing the N rate may have tended to minimize the average yield gap between the RF and the other rotations; the yield gaps were 18.55%, 4.14%, and 0.23% in N0, N1, and N2, respectively. However, the N recovery efficiency in the RF was significantly lower than that in other rotations, except for 2015 under both N1 and N2 rates, a finding that implies a large amount of chemical N loss. No significant differences in nitrogen agronomic efficiency(NAE) and physiological efficiency(NPE) were found between the rotations with legume(RC–G) and non–legume(RO and RW) winter crops, a result that may be due partly to straw incorporation. For this reason, we concluded that the return of straw could reduce differences in N use efficiency between rotations with and without legume crops. The degree of synchrony between the crop N demand and the N supply was evaluated by comparison of nitrogen balance degree(NBD) values. The NBD values in the RP and RW were significantly lower than those in the other rotations under both N1 and N2 rates. Thus,in view of the higher grain yield in the RP compared to the RW under the N1 rate, the RP rotation might be a promising practice with comparable grain yield and greater N use efficiency under reduced N input relative to the other rotations. The primary yield components of the RF and RP were identified as number of panicles m-2 and numbers of kernels panicle-1, respectively. The NAE and NPE were positively correlated with harvest index, possibly providing a useful indicator for evaluating N use efficiency. | Song Chen Shaowen Liu Xi Zheng Min Yin Guang Chu Chunmei Xu Jinxiang Yan Liping Chen Danying Wang Xiufu Zhang | 2018 | The Crop Journal2018，6，6： | 13 |
| 9 | Epidemiological Data of Work-Related Musculoskeletal Disorders—China,2018–2020显示文摘Summary What is already known about this topic?In recent decades,work-related musculoskeletal disorders(WMSDs)have become increasingly prominent and have become an important issue that is of universal concern and an urgent need to be solved in all countries of the world.What is added by this report?The top three industries or occupational groups with the highest standardized prevalence rate of WMSDs were flight attendants,medical staff,and vegetable greenhouses in that order.Women workers were 1.5 times more likely to suffer from WMSDs than men workers. | Ning Jia Huadong Zhang Ruijie Ling Yimin Liu Gang Li Zaoliang Ren Yan Yin Hua Shao Hengdong Zhang Bing Qiu Meibian Zhang Dayu Wang Qiang Zeng Rugang Wang Jianchao Chen Danying Zhang Liangying Mei Yongquan Liu Jixiang Liu Chengyun Zhang Tianlai Li Qing Xu Ying Qu Xueyan Zhang Xin Sun Zhongxu Wang | 2021 | China CDC weekly2021，3，18： | 13 |
| 10 | Investigation on Work-Related Musculoskeletal Disorders--China, 2018−2019显示文摘What is already known about this topic?Work-related musculoskeletal disorders(WMSDs)have a high prevalence and seriously harmful,which has attracted extensive attention in various countries in the world.Currently,the occurrence and rules of WMSDs in key industries are not known in China.What is added by this report?The prevalence of WMSDs is relatively high among professional populations in key industries in China,with the most commonly affected body parts concentrated in neck,shoulders,and low back and increasing with age and working years.What are the implications for public health practice?This study determined the prevalence and distribution characteristics of WMSDs in key industries in China and provided scientific evidence to recommend for inclusion of WMSDs in the new revision of the list of occupational diseases in China. | Ning Jia Huadong Zhang Ruijie Ling Yimin Liu Gang Li Zaoliang Ren Yan Yin Hua Shao Hengdong Zhang Bing Qiu Meibian Zhang Dayu Wang Qiang Zeng Rugang Wang Jianchao Chen Danying Zhang Liangying Mei Yongquan Liu Jixiang Liu Chengyun Zhang Tianlai Li Qing Xu Ying Qu Xueyan Zhang Xin Sun Zhongxu Wang | 2020 | China CDC weekly2020，2，18： | 11 |
| 11 | Anterior knee pain after a total knee arthroplasty: What can cause this pain?显示文摘Total Knee Arthroplasty has been shown to be a successful procedure for treating patients with osteoarthritis,and yet approximately 5%-10%of patients experience residual pain,especially in the anterior part of the knee.Many theories have been proposed to explain the etiology of this anterior knee pain(AKP)but,despite improvements having been made,AKP remains a problem.AKP can be described as retropatellar or peripatellar pain,which limits patients in their everyday lives.Patients suffering from AKP experience difficulty in standing up from a chair,walking up and down stairs and riding a bicycle.The question asked was:'How can a‘perfectly’placed total knee arthroplasty(TKA)still be painful:what can cause this pain?'.To prevent AKP after TKA it is important to first identify the different anatomical structures that can cause this pain.Greater attention to and understanding of AKP should lead to significant pain relief and greater overall patient satisfaction after TKA.This article is a review of what pain is,how nerve signalling works and what is thought to cause Anterior Knee Pain after a Total Knee Arthroplasty. | Stéfanus Jacob Martinus Breugem Daniёl Haverkamp | 2014 | World Journal of Orthopedics2014，5，3： | 11 |
| 12 | Crystal structure of ISG54 reveals a novel RNA binding structure and potential functional mechanisms显示文摘刺激干扰素的基因 56 (ISG56 ) 家庭成员在堵住病毒的复制并且然而,调整细胞的功能起重要作用他们的内在的分子的机制大部分是不清楚的。这里,我们在场 ISG54 的水晶结构,有新奇 RNA 有约束力的结构的 ISG56 家庭蛋白质。结构证明 ISG54 单体有 9 tetratricopeptide 像重复的主题和伙伴到形成交换域的 dimers。C 终端部分合拢进超级螺旋状的结构并且在它的内部表面上有一条广泛地断然控告的核苷酸绑定隧道。EMSA 结果证明 ISG54 明确地绑在一些 RNA,例如 adenylate uridylate (AU ) 富有的 RNA,与或没有 5 ′triphosphorylation。Mutagenesis 和功能的研究证明这个 RNA 有约束力的能力对它的抗病毒的活动重要。我们的结果建议位于这干扰素可诱导的基因的抗病毒的活动下面的新机制 56 家庭成员。 | Zhenlin Yang Huanhuan Liang Qian Zhou Ying Li Haiwei Chen Wen Ye Danying Chen Joy Fleming Hongbing Shu Yingfang Liu | 2012 | Cell Research2012，22，9： | 8 |
| 13 | Agronomic performance of drought-resistance rice cultivars grown under alternate wetting and drying irrigation management in southeast China显示文摘Compared to drought-susceptible rice cultivars(DSRs),drought-resistance rice cultivars(DRRs)could drastically reduce the amount of irrigation water input and simultaneously result in higher grain yield under water-saving irrigation conditions.However,the mechanisms underlying these properties are unclear.We investigated how improved agronomic traits contribute to higher yield and higher water use efficiency(WUE)in DRRs than in DSRs under alternate wetting and drying(AWD).Two DRRs and two DSRs were field-grown in 2015 and 2016 using two different irrigation regimes:continuous flooding(CF)and AWD.Under CF,no statistical differences in grain yield and WUE were observed between DRRs and DSRs.Irrigation water under the AWD regime was 275–349 mm,an amount 49.8%–56.2% of that(552–620 mm)applied under the CF regime.Compared to CF,AWD significantly decreased grain yield in both DRRs and DSRs,with a more significant reduction in DSRs,and WUE was increased in DRRs,but not in DSRs,by 9.9%–23.0% under AWD.Under AWD,DRRs showed a 20.2%–26.2% increase in grain yield and an 18.6%–24.5% increase in WUE compared to DSRs.Compared to DSRs,DRRs showed less redundant vegetative growth,greater sink capacity,higher grain filling efficiency,larger root biomass,and deeper root distribution under AWD.We conclude that these improved agronomic traits exert positive influences on WUE in DRRs under AWD. | Guang Chu Tingting Chen Song Chen Chunmei Xu Danying Wang Xiufu Zhang | 2018 | The Crop Journal2018，6，5： | 8 |
| 14 | 青藏高原东缘中生代若尔盖古高原的发现及其地质意义显示文摘40 Ma B.P.'原青藏高原'的提出使得青藏高原的早期隆升历史受到越来越多的关注,但其向东的延伸情况不明。青藏高原东缘若尔盖高原、龙门山冲断带和四川盆地有机地构建了一个完整的原-山-盆体系,成为揭示青藏高原隆升和生长的理想场所,而位于高原内部若尔盖地块的红参1井更为此提供了宝贵素材。基于红参1井的构造恢复和低温热年代学研究结果,结合区域上已有的低温热年代学和古高程数据,提出青藏高原东缘在早新生代印-亚大陆碰撞之前就已形成了高原,称之为若尔盖古高原,并从基底构造属性、构造变形、地壳缩短与增厚、沉积记录等方面对其进行了论证。红参1井钻井剖面构造恢复结果揭示所钻遇7 000余米的三叠系复理石层系实际上有46%的厚度是由构造重复所致,连同广泛发育的晚三叠世埃达克质花岗岩以及利用中性岩浆岩Sr/Y比值估算的地壳厚度,共同表明青藏高原东部松潘-甘孜地区在晚三叠世就已发生了实质性的地壳加厚。红参1井多重低温热年代学[锆石(U-Th)/He,磷灰石裂变径迹和(U-Th)/He]测试结果揭示若尔盖地块分别在白垩纪中期(约120 Ma B.P.和约80 Ma B.P.)经历了2次快速的冷却事件,累计剥蚀厚度达5 km,之后转入极其缓慢的冷却过程,暗示其已进入高原化阶段;而在整个新生代期间处于近乎'零'剥蚀的状态而被动地抬升到现今高度(不同于常见的山脉隆升,地块隆升代表了一定范围的区域整体抬升)。因此,青藏高原东部若尔盖地块最晚在白垩纪末期就已形成高原,即若尔盖古高原,其范围可能包括三叠系复理石层系覆盖的大部分松潘-甘孜地区,并可能向西与羌塘古高原相连,构成羌塘-若尔盖古高原。若尔盖古高原的形成不仅造成四川盆地西缘在白垩纪中期出现了重要的物源转变,更重要的是加剧了青藏高原东缘白垩纪气候干旱化,出现了大量沙漠沉积和膏盐沉积。若尔盖古高原的发现不仅有助于深化对青藏高原隆升和生长过程的理解,也将引发对青藏高原形成机制的重新思考以及对其气候-环境-资源效应的关注。 | 刘树根 李智武 Peter J.J.Kamp 冉波 李金玺 邓宾 王国芝 Ganqing XU Martin Daniík 杨迪 王自剑 李祥辉 刘顺 李巨初 | 2019 | 成都理工大学学报(自然科学版)2019，46，1： | 7 |
| 15 | Three-dimensional structural changes in living hippocampal neurons imaged using magnetic AC mode atomic force microscopy.显示文摘 | Yunxu S Danying L Yanfang R Dong H Wanyun M | 2006 | 中国生物学文摘2006，20，9： | 7 |
| 16 | 基因组分析揭示番茄育种的历史显示文摘番茄(Solanum lycopersicum)适应性广,产量高,营养丰富,风味独特,栽培方式多样,是世界范围内广泛种植的第一大蔬菜作物。2012年全球产量达到1.62亿吨(联合国粮农组织(FAO)统计),产值超过550亿美元。番茄也是植物遗传、发育和生理研究的重要模式系统。番茄起源于南美洲的安第斯山脉,随着人类迁移和驯化逐渐传到中美洲和墨西哥一代,16世纪传到欧洲,在随后的几百年中番茄被传播到世界各地,在这一过程中受到不同的人工选择,产生了丰富的变异类型。番茄果实大小的变化是驯化的一个重要特征,今天人们食用的大果栽培番茄是由野生醋栗番茄(Solanum pimpinellifolium)驯化而来,野生番茄果实非常小,只有1~2g 重,经过人工的长期驯化,现代栽培番茄的果重是其祖先的100多倍。然而,番茄果实变大的人工驯化过程一直未有全面的研究,人类选择如何改变番茄基因组仍是知之甚少。 | 林涛 祝光涛 张俊红 许向阳 余庆辉 郑铮 张忠华 伦尧尧 李帅 王孝宣 黄泽军 李君明 张春芝 王涛涛 张余洋 王傲雪 张艳聪 林魁 李传友 熊国胜 薛勇彪 Andrea Mazzucato Mathilde Causse Zhangjun Fei James J.Giovannoni Roger T.Chetelat Dani Zamir Thomas Stadler 李景富 叶志彪 杜永臣 黄三文 | 2014 | 遗传2014，36，12： | 7 |
| 17 | 塔城西伯利亚落叶松树轮密度的气候响应研究显示文摘根据树轮密度实验的基本原理,选取新疆最具代表性的针叶树种西伯利亚落叶松,设计出一套完整的树轮密度实验流程,对Dendro2003树轮密度分析系统的校正系数进行计算,得出落叶松校正系数为0.761。通过与单芯校正系数的比对,发现在大样本量的条件下,采用此校正系数对树轮密度值进行校正,产生的误差很小,并通过实验获取的密度数据,重建了一条温度序列,效果良好。对比瑞士联邦森林雪景观研究院(WSL)和中国气象局气候中心树轮研究室的树轮密度校正系数,发现两个实验室的校正系数区别较大,这可能是受到系统自身的光学性质和实验环境的影响,说明在正式实验前确定校正系数是必须的。通过对塔城东部的西伯利亚落叶松的树轮密度研究发现,塔城东部西伯利亚落叶松对春夏季最高温度具有良好的响应,并具有建立较长的温度序列的潜力。 | 陈峰 袁玉江 王丽丽 魏文寿 李扬 Nievergelt Danie 喻树龙 | 2011 | 干旱区资源与环境2011，25，6： | 6 |
| 18 | C-reactive protein and diabetic retinopathy in Chinese patients with type 2 diabetes mellitus显示文摘AIM:To investigate the relationship between Creactive protein(CRP)and diabetic retinopathy(DR)in a cohort of Chinese patients with type 2 diabetes mellitus(T2DM).·METHODS:Community-based observational cohort study.There were 1131 participants recruited from November 2009 to September 2011 in Desheng community in urban Beijing.Patients diagnosed T2DM were recruited and underwent a standardized evaluation consisting of a questionnaire,ocular and anthropometric examinations and laboratory investigation.The presence and severity of DR were assessed by seven fields 30°color fundus photographs.Subjects were then classified into groups with no DR,any DR,or vision-threatening DR.CRP was analyzed from serum of study subjects.·RESULTS:A total of 1007 patients with T2DM were included for analysis,including 408(40.5%)men and 599(59.5%)women.The median CRP level was 1.5 mg/L for women and 1.1 mg/L for men(P=0.004,OR 0.37,95%CI0.18-0.74).After adjusting for possible covariates,higher levels of CRP were associated with lower prevalence of any DR(P=0.02,OR 0.55,95%CI 0.35-0.89),but not associated with vision-threatening DR(P=0.62,OR 0.78,95%CI 0.28-2.14).After stratification by sex,the inverseassociation between CRP and DR was found to be statistically significant in men(P=0.006,OR 0.35,95%CI0.16-0.73),but not in women(P=0.58,OR 0.88,95%CI0.29-1.16).·CONCLUSION:The data drawn from a Chinese population with T2DM suggest that increasing CRP levels may be inversely associated with development of DR. | Xiu-Fen Yang Yu Deng Hong Gu Apiradee Lim Torkel Snellingen Xi-Pu Liu Ning-Li Wang Amitha Domalpally Ronald Danis Ning-Pu Liu | 2016 | International Journal of Ophthalmology(English edition)2016，9，1： | 6 |
| 19 | Rhizosphere Aeration Improves Nitrogen Transformation in Soil, and Nitrogen Absorption and Accumulation in Rice Plants显示文摘Two rice cultivars(Xiushui 09 and Chunyou 84)were used to evaluate the effects of various soil oxygen(O2)conditions on soil nitrogen(N)transformation,absorption and accumulation in rice plants.The treatments were continuous flooding(CF),continuous flooding and aeration(CFA),and alternate wetting and drying(AWD).The results showed that the AWD and CFA treatments improved soil N transformation,rice growth,and N absorption and accumulation.Soil NO3–content,nitrification activity and ammonia-oxidising bacteria abundance,leaf area,nitrate reductase activity,and N absorption and accumulation in rice all increased in both cultivars.However,soil microbial biomass carbon and pH did not significantly change during the whole period of rice growth.Correlation analysis revealed a significant positive correlation between the nitrification activity and ammonia-oxidising bacteria abundance,and both of them significantly increased as the total N accumulation in rice increased.Our results indicated that improved soil O2 conditions led to changing soil N cycling and contributed to increases in N absorption and accumulation by rice in paddy fields. | XU Chunmei CHEN Liping CHEN Song CHU Guang WANG Danying ZHANG Xiufu | 2020 | Rice science2020，27，2： | 6 |
| 20 | 森林水文服务市场开发的案例分析显示文摘制定合理的管理措施,有助于提供和加强森林的水文服务功能.这些功能包括改良水质、增加干旱季节的径流量、调节地表水与地下水、提高水生生物生产力等.尽管这些功能是最重要的森林生态功能之一,但直到最近,这些功能仍被认为是由林场主免费提供而被排除在市场框架之外. | DanièlePerrot-Maitre Patsy Davis 张亚玲 | 2002 | 林业科技管理2002，，4： | 6 |
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