“population density of pest”的概念、定义、翻译、参考文献-科学参考

单词	population density of pest
释义	population density of pest Encyclopedia 农学虫口密度释 population density of pest虫口密度一定时间和空间单位上某一种昆虫种群的绝对数量或相对数量。又称害虫种群密度。
随便看	University of Bergen University of Bologna University of British Colombia University of British Columbia University of British Columbia and Laval University Telescope University of British Columbia Museum of Anthropology University of Buenos Aires University of Calcutta University of California University of California libraries University of Cambridge University of Cape Town University of Chicago University of Coimbra University of Copenhagen University of Dakar University of Dar es Salaam University of Delhi University of East Africa University of Edinburgh University of Electronic Science and Technology of China University of Electronic Science and Technology of the Library University of Florence University of Geneva University of Ghana

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