“insect growth regulator”的概念、定义、翻译、参考文献-科学参考

单词	insect growth regulator
释义	insect growth regulator 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。
随便看	variable structure automaton variable structure control variable structure control system variable-structured system variable structure guidance law variable symbol variable temperature blackbody radiation source variable temperature control of greenhouse variable term variable thrust rocket engine variable thrust rocket motor variable time scale variable transformation variable ultrafast photographic shutter variable ultraviolet object variable valve lift variable valve mechanism variable valve timing variable valve timing system variable-velocity star variable voltage variable water flow central air-conditioning system variable X-ray source variable γ-ray source variace-covariance matrix

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