“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	electromagnetic environment of radio and television transmitting stations electromagnetic equation electromagnetic equilibrium electromagnetic extraction electromagnetic field Electromagnetic field invariant electromagnetic field of moving charged particle electromagnetic field tensor electromagnetic flowmeter /magnetic inductance flowmeter electromagnetic focusing electromagnetic force electromagnetic form factor electromagnetic forming electromagnetic gauge invariance electromagnetic gradient receiver electromagnetic gun electromagnetic high-gradient magnetic filter electromagnetic horizontal ring high-intensity magnetic separator electromagnetic-hydro-mechanical coupling electromagnetic immunity electromagnetic induced roller high-intensity magnetic separator electromagnetic induction electromagnetic induction logging electromagnetic inertia electromagnetic information leakage test receiver

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