When the front bird moves its wings up and down, the resulting force of the air lifts the next one.
当前面的鸟上下移动它的翅膀时,产生的空气力会带动下一只鸟。
In the late 1930s, a movement to ban the drug marijuana began to gather force, resulting in the eventual banning of the cultivation.
20世纪30年代末,一场禁止毒品大麻的运动开始集结力量,最终导致大麻种植被禁止。
The Kelvin force microscopy scans showed that the resulting surfaces were mosaics, with areas of positive and negative charges on the order of a micrometer or less across.
开尔文力显微镜下显示试验后的表面有带正电和负电的区域,属于微米级或者更小。
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