尘卷(dust devil)是在非洲沙漠中多见的一种现象。在肉眼可见的高度上,外型 像漏斗状的沙尘旋风多半是由于地面受热不均,局部产生猛烈的对流作用形...
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强风能哀号好几个小时,“尘卷”(漏斗形的旋风)会毫无征兆地出现。
A gritty wind can howl for hours, and "dust devils" (funnel-shaped whirlwinds) will appear without notice.
别把钱浪费在粘尘器上,在当地的杂货店买一个卷带器效果更好。
Don't waste money on a fancy lint remover. Buy a tape roller instead at your local drugstore-it works better.
采用CFD技术研究厢式车尾部卷尘机理,通过改变车辆外形从而控制尾部气流形态以达到减尘的目的。
The mechanism of dust adhesion to the end of van-type truck is researched with CFD to control the form of automotive wake in order to reach suppression of dust adhesion via changing automotive shape.
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