科学家们昨天宣布他们发明了一种类似吹风机的装置能够在半小时内清除虱子和虱卵。
Researchers said yesterday that they had developed a blow-dryer-like device that appears to get rid of lice and their eggs in a single half-hour session.
在这项研究中，她和同事们根据抓到的虱卵数量估算虱子滋生的程度。他们认为，虱卵越多，说明产卵的虱子越多。
In this study, she and her colleagues estimated the degree of louse infestation by the number of nits picked. The more nits, they calculated, the more lice-producing nits.
这些卵变成幼瓢虫之后就是园丁们最好的朋友之一了，它们是凶猛的食肉动物，尤其针对粉虱与红蜘蛛。
These eggs turn into ladybird larvae, which are among the biggest friends we gardeners have. They're ferocious predators on problem whitefly and red spider mite.
噻嗪酮对褐稻虱的杀卵作用有两个途径：刚孵化接触而死或阻止卵的发育。
The ovicidal action of buprofezin has two ways: killing new hatching nymphs by contacting, and inhibiting the development of eggs embryo.
虱和它们的卵容易通过共用的梳子、毛巾及其它用品传播给他人。
The lice and their eggs can easily be passed from one person to another with close contact or from sharing combs, towels, etc.
在稻瘟病菌通过水稻介导对褐飞虱的作用研究中发现，褐飞虱在受稻瘟病菌感染的稻苗上饲食后，各供试品种处理组的褐飞虱产卵量和卵孵化量明显少于对照。
The experiments of rice-mediated effects of RBF on BPH showed that BPH feeding on plants with RBF infection produced less eggs and less eggs hatched compared with BPH feeding on control plants.
浙江和广西褐飞虱将卵产在IR26上，而云南虫源则产在TN1上。
Most eggs of Zhejiang and Guangxi population laid on IR26 and the Yunnan population, however, laid about 50% eggs on TN1.
浙江和广西褐飞虱将卵产在IR26上，而云南虫源则产在TN1上。
Most eggs of Zhejiang and Guangxi population laid on IR26 and the Yunnan population, however, laid about 50% eggs on TN1.
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