| 释义 |
house flies
基本例句
家蝇双翅目,家蝇科
Soon, about half thehouse flieshad Salmonella in and on their bodies.不久，差不多一半苍蝇携带了沙门氏菌。
The average life expectancy of a website is about 44 days, roughly the same as the common house fly.消失在以太中文章里说道,一个网站的平均寿命是44天左右,与普通家蝇的寿命相差无几。
Methods:Different dosages muscalure singularity and muscalure mixed with refined sugar in various test boxes to lure and kill different agedhouse flies.方法:将家蝇信息素制作成含不同剂量的单方试样和与白糖配制的复合试样,在实验箱内分别对不同日龄的家蝇进行引诱试验;
The resistance of four field strains of house fly in Liaoning to Deltamethrin, Alphamethrin, permethrin and Dichlorovos was tested by micro-drop way.目的:了解辽宁省家蝇对常用杀虫剂的抗药性状况。方法:常规点滴法。结果:在供试的4种杀虫剂中,以溴氰菊酯的抗药性最为突出,4地家蝇对该杀虫剂的抗性系数分别为118。3、59。7、34。
Serious insecticide resistance of the house fly , caused by consecutive DDT abuse, was firstly found in Switzerland in 1946.1946年在瑞士因连续使用DDT防治家蝇而产生严重的抗药性后，导致防治失效，引起了人们对昆虫抗药性的重视。 |