reduction of biodiversity
基本释义:
种数减退
网络释义
1)reduction of biopersity,种数减退
2)population depression,种群减退
3)rate of letdown in inpidual number,个体数减退率
4)abate,减轻减退
5)slowdown,减速，减退，衰退
6)slow down,减速减退，衰退
用法和例句
Application of 500～600 multiple KKY gave some effects to rate of letdown in inpidual number in phytophagous arthropod subcommunity within three to twenty days.
植物源复合杀虫剂KKY500～600倍液在喷施后3～20d内植食类节肢动物亚群落个体数减退率高;KKY各处理浓度均对捕食类天敌昆虫等亚群落和蜘蛛类天敌亚群落杀伤力低,是一种较为理想的植物源复合杀虫剂。
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