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1.
Studies on the Arthropod Communities and the Population Occurrence of Plutella Xylostella of Main Pest in the Pugionium Comutum Field;
沙芥田节肢动物群落及重要害虫菜蛾种群发生的研究
2.
Studies on the Natural Population Occurrence Tendency of Asiatic Corn Borer in the Cotton Field
棉田亚洲玉米螟自然种群发生趋势的研究
3.
Suitable habitat of Therioaphis trifolii population on arable lands of Southern Ningxia based on GIS
基于地理信息系统的耕地苜蓿斑蚜种群发生的适宜生境
4.
Study on Salt Tolerance of Sickle Alfalfa Wild Populations in Germinating Period
黄花苜蓿野生种群种子萌发期的耐盐性研究
5.
The Research of Occurrence and Population Ecology of Bemisia Tabaci (Gennadius) in Cotton in Turpan
吐鲁番棉田烟粉虱发生规律及种群生态学
6.
The whole groups of species sometimes falsely appear to have been abruptly developed.
整个的物种群有时会假象地表现为突然发生的。
7.
Study on Biological Characteristic, Exploitation and Utilization of Tricholoma Matsutake Population in Changbai Mountain;
长白山区松口蘑种群生物学特征及其开发利用
8.
Study on the Occurrence and Damage of Cereal Aphid Population & Its Main Influencing Factors;
麦蚜种群的发生为害与主要影响因子分析
9.
The Study of Optimal Control Problem of Exploitation and Management on Biospecies Resource;
生物种群资源开发管理的最优控制问题研究
10.
Fermentative Hydrogen Producing Bacteria and the Population Ecology of Mixed Culture Systems;
发酵产氢菌株与混合培养系统种群生态研究
11.
Effects of temperature on laboratory population of Propylea japonica(Thunberg)
温度对龟纹瓢虫实验种群生长发育的影响
12.
It means growth dominance of the Yangtze population and male crab of each population would be expressed in optimal environment but not in poor environment.
在优良环境中 ,长江种群的生长优势和两种群内雄性的生长优势才能得到发挥
13.
THE EFFECTS OF WHEAT VARIETIES RESISTANT TO APHIDS ON THE PUPOLA- TION OF SITOBION AVENAE (FABRICIUS) AND PARASITIZATION AS WELL AS DEVELOPMENT OF ITS PARASITIC WASP APHIDIUS AVENAE HALIDAY
小麦抗虫品种对麦长管蚜种群及蚜茧蜂寄生和发育的影响
14.
We must mobilize the masses to prepare against all possible eventualities.
我们要发动群众作好准备,以应付各种可能发生的情况。
15.
That is to say,IPC is the multiple caus-ing change of population dynamic trend.
控制指数值即为引起种群数量发展趋势发生改变的倍数。
16.
Study on Establishment Population and Ecological Efficiency of Tamarix Spp in Disturbed Area of Both Sides of Road in Junggar Basin;
准噶尔盆地公路两侧受扰动区柽柳种群的发生和生态效应
17.
Effect of tebufenozide on growth and fecundity of the selected strain of Spodoptera exigua
虫酰肼对甜菜夜蛾汰选种群生长发育及生殖的影响
18.
Discovery of Tanichthys albonubes Lin 1932 (Cyprinidae) on Hainan Island,and Notes on Its Ecology
唐鱼野生种群在海南岛的新发现及其生态资料(英文)