The research of developing new insecticides was focused on the toxin of various araneids and wasps.

开发新型杀虫剂主要集中在对各种蜘蛛和黄蜂的毒素研究方面。

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The research of developing new insecticides was focused on the toxin of various araneids and wasps.

开发新型杀虫剂主要集中在对各种蜘蛛和黄蜂的毒素研究方面。

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