This means that the view is not exerting a drag by virtue of its existence.
这意味着该视图不会因为它的存在而影响性能。
There may also be a way to cut aircraft drag by making some surfaces less slippery.
把表面粗糙化也可能是减小飞机反作用力一个办法。
The mechanism of reducing aerodynamic drag by acoustic excitation was briefly analyzed.
本文首先简要地分析了声激励减阻机理。
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