Only when its biology was understood and chemical pesticides and aerial spraying became available a few decades ago, could efforts be made to control the insect.
只是在几十年前认识了其生物性，有了化学杀虫剂和空中撒药之后，人们才开始努力控制这种虫害。
It is applied as a carrier in expression system of granulosis virus insect eucaryotic biology.
该病毒作为载体，应用在杆状病毒-昆虫真核生物表达系统。
Sure enough, the mosquitoes produced SP15 in their saliva, the team reports in the current issue of Insect Molecular Biology.
果然，蚊子的确能够在唾液唾液中分泌SP15——研究小组在《昆虫分子生物学》上发布了目前的论断。
So, the researches on mechanics of insect flight have become more and more popular and important on fluid mechanics as well as biology.
昆虫飞行机理问题是当前流体力学研究的前沿问题，也是生物学研究的重要问题。
The silkworm (Bombyx mori) is an important economic insect and an ideal model organism for the biology study.
家蚕是重要的农业经济昆虫，也是生物学研究的极好材料。
There's many researches on this insect about its biology, ecology, and the methodology of its control.
近年来人们在其生物学、生态学以及防治方面对其进行了大量的研究。
There's many researches on this insect about its biology, ecology, and the methodology of its control.
近年来人们在其生物学、生态学以及防治方面对其进行了大量的研究。
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