knock compound
常见例句
- Results The half lethal dose(LD50) and the half knock-down time(KT50) of compound of Chlorpyrifos and Fendona were close to or less than on using separately.
結果毒死蜱和奮鬭呐複配後半數致死劑量（LD50）和半數擊倒時間（KT50）均接近或小於兩葯單獨使用。
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