labor force how 劳动力流动
Because of the physics of how force is generated by wind blowing past a sail, tall thin sails generally have more power when the boat is sailing into the wind.
根据风吹过船帆时产生动力的物理原理,当船只航行在风里时,高而薄的帆通常产生更大的力。
He knew how to win by craft and diplomacy what he could not gain by force.
他擅长于通过计谋和外交手腕赢得他用武力无法得到的东西。
How does the frictional force do that?
摩擦力是怎么做的?
He says that is how the Navy will continue to have what he calls the "best submarine force in the world."
VOA: special.2010.05.21
If you can feel the force of that thought, then you're seeing how the question Will I survive?
如果你能感觉到这想法的力量,那你就能明白我是否依然生存这个问题?
We want to know how much force it exerts when I pull it by a certain amount.
我们想知道当我们将弹簧拉伸一定量时,它能产生多大的力
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