方法采用WHO生物测试法，计算lc50、回归方程、增效系数。

Methods WHO standard bioassay method was applied to calculate LC50 and synergistic coefficient.

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方法 采用WHO生物测试法，计算LC50、回归方程、增效系数。

Methods The standard bioassay methods recommended by WHO were used to calculate LC50 and synergistic coefficients.

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该杀虫剂以阿维菌素和毒死蜱为有效成分加工而成的新型复配杀虫剂，经共毒系数生测证明具有显著增效作用。

The insecticide chlorpyrifos to abamectin and processed for the new active ingredient mixture of pesticides, bioassay by co-toxicity coefficient proved significant synergies.

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