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1.A nonpersistent pesticide; a nonpersistent infection.
非持久性杀虫剂；非持久性传染病收藏指正
2.A nonpersistent organophosphorous pesticide, C4H7O4Cl2P, of low toxicity to human beings.
二氯松一种非持久性有机磷杀虫剂，C4H7O4Cl2P，对人的毒性低收藏指正
3.A nonpersistent chemical, C4H7O4PBr2Cl2, used for mosquito control and as an insecticide against crop pests.
二溴磷一种非永久性化学药品，C4H7O4PBr2Cl2，用来抑制蚊子并作为杀死农作物害虫的一种杀虫剂收藏指正
4.It has been proved that MDMV can be transmitted dy five species of aphides with nonpersistent manner in Shanxi. They are Schizaphis gra- minum Rond,Myzus persicae Sulzer,Aphis gossypii Glover,Rhopalosiphum padi Linnaeus or Rhopalosiphum maidis Fitch and“Schizaphis graminum Rond”is regarded as the main vector of the disease in spring.
玉米矮花叶病是非持久性病毒——MDMV 引起。 病毒介体是蚜虫,在山西省主要是麦二叉蚜(Schizaphis graminum Rond)、禾缢管蚜(Rhopalo-siphum padi Linnaeus)、玉米蚜(Rhopalosiphum maidis Fitch)、桃蚜(Myzus persicae Sulzer)和棉蚜(Aphis gossypii Glover),麦无网长管蚜[Acythosiphum dirhodum(Walker)]的传毒能力未定。收藏指正
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