研究了棉田天敌群落时序动态。
主要研究结果如下：(1)棉田天敌群落结构调查。
The research contents and results were listed as follows: (1) the investigation of the natural enemy community structure.
勇士手握长剑，奋勇杀敌，在残暴的敌群中杀出了一条血路。
A brave hero use his very, very long sword to hack his way through a crowd of vicious enemies.
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