occurrence rhythm
英
美
- 发生规律
双语例句
- The occurrence rules of rice planthopper in rice field with cultural crab was ascertained through systemic investigation and field census.
通过系统调查和大田普查相结合的方法，研究明确了养蟹稻田稻飞虱的发生规律。 - Based on the habit and the occurrence fluctuations of rice planthopper, some aspects should be analyzed in rice planthopper forecast.The first is the induction of light trapping.
根据稻飞虱的生活习性和发生规律，在做预报时，对下列几个问题应进行具体分析。
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