occurrence regularity
英
美
- 发生规律
双语例句
- Study on the pathogenisis regularity of root rot on Atractylodes macrocephala Koidz.
白术根腐病发生规律研究。 - 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。
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