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昆虫生长调节剂
释义
昆虫生长调节剂
Encyclopedia
农学
昆虫生长调节剂
释
insect growth regulator;IGR
昆虫生长调节剂
在昆虫个体发育时期阻碍或干扰昆虫正常发育,使昆虫个体生活能力降低、死亡,进而使种群灭绝的一类特异性杀虫剂。在使用时不直接杀死昆虫。
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method of comparison
method of competitive selection of cadres
method of complete induction
method of complex integration
method of compound interest
method of computation
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method of conjugate gradients
method of conjugate nets
method of constant stimulus
method of constant variation
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method of construction with ruler and compasses
method of contiguity
method of continuity
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method of counting volume of earthwork in ancient
method of counting volume of earthwork in ancient china
method of critical path
method of curriculum development in vocational education
method of cutting circle
method of cutting plane
method of degenerate kernels
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