SINCE 1979 China has undertaken a bold demographic experiment to reduce its population growth, placing a limit on the number of children many couples can have: one.
从1979开始，为降低其人口的增长，中国实施了一场勇猛的人口实验，限制许多夫妻所能生育的数：一个。
A field experiment was conducted to study effects of root pruning at returning green stage on population structure, soil water and yield formation of winter wheat.
通过田间试验研究了返青期不同程度根修剪处理对冬小麦群体结构、土壤水分及产量形成的影响。
An experiment conducted in the southern state of Kerala found that a sudden fall in the bee population was caused by towers installed across the state by cellphone companies to increase their network.
在印度南部喀拉拉省进行的实验发现，当地蜜蜂数量突然减少，是行动电话公司为扩大网路在该省各地设立基地台造成的。
A field experiment was conducted to study effects of root pruning at returning green stage on population structure, soil water and yield formation of winter wheat.
通过盆栽试验研究了根修剪对冬小麦根系效率、水分利用及产量形成的影响。
White-petal rapeseed (Brassica napus L. ) and its segregation population were used as the experiment materials to study the genetic law of white-petal traits in Brassical napus L…
本研究以甘蓝型白花油菜及其分离群体为材料，对甘蓝型油菜白花性状的遗传规律进行了研究；
Experiment on population removal capacity of the new constructed wetland composed with combined packing, Canna, Margaryamelanoide and Misgurnusanguillicaudatus Cantor was conducted.
通过实验方式研究了组合填料结合构成的新型人工湿地净化自然水体的作用。
The special band of TN1 population maybe link with avirulence, it was quality character confirmed by genetics experiment and tested by X2-test, followed 3:1 segregation ratio.
TN1种群的特异片段，可能与弱致害连锁，经遗传学实验卡方验证，为质量性状基因，遵循3：1的分离比例。
The special band of TN1 population maybe link with avirulence, it was quality character confirmed by genetics experiment and tested by X2-test, followed 3:1 segregation ratio.
TN1种群的特异片段，可能与弱致害连锁，经遗传学实验卡方验证，为质量性状基因，遵循3：1的分离比例。
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