pest populations翻译

pest populations的基本解释

读音: 美: 英:

害虫种群：指某一区域内的害虫数量总和。

例句

Objective to investigate the populations and the distribution of the indoor cockroaches in Suzhou urban districts, and to offer the data for controlling these pest insects.目的掌握苏州市城区室内蜚蠊种群及其分布，为城市蜚蠊防制提供依据。
The main factor that affects population's uniformity is invalid plant including inbred lines, barren stalk rate, diseases and pest insects plant in populations of different yield level.无效株是影响群体整齐度的重要因素，主要包括：自交株、空秆、小穗株及病虫害株等。
Populations of this pest display marked seasonal fluctuations in which temperature is considered the most important factor.温度被认为是影响种群动态的重要因子。
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