At the same time, it's an important means of studying the forecast of pests and the law of occurrence. It can reveal the law of ovipositing and explain the physiological basis of pests' occurrence, thus design "biorational insecticide".
研究昆虫的卵子发生对于阐明昆虫的生殖机理和控制繁殖具有重要的实践意义，是研究害虫预测预报和发生规律的一种重要手段，同时可以揭示昆虫大量产卵的规律，阐明害虫大发生的生理基础，从而设计出“生物合理的杀虫剂”(biorational insecticide)，并为促进有益昆虫的大量繁殖提供理论依据。
参考来源 - 中华稻蝗的卵子发生及受精囊的显微与超微结构研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The characteristics of time average pressure of skimming flow in stepped spillway are studied through experiments, and the law of occurrence and transformation are discussed.
通过模型试验，对台阶式溢洪道滑行水流的时均压强特性进行了研究，探讨了台阶上时均压强的产生和变化规律。
That is why speeding violations, in particular, are the most common breaches of the law known to man-and, for similar reasons, why traffic jams are a daily occurrence.
这就是为什么超速是公民最常见的违法行为的原因，也是为什么塞车现象成为家常便饭的原因。
Because management is no legal reason for the occurrence of debt, which makes an infringement in itself becomes a behavior allowed by law.
无因管理是法定的发生债的原因，这使本身是一种侵权的行为变成了一种法律允许的行为。
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