His autobiography, “Chasing the Wind”, acknowledged his dependence on “partnering” every variation of air and weather to speed his unsteered balloons and his sails.

他在自传---《追风》中承认，只能任着气流和天气的每份变化来加速他那不受控制的气球和帆船。

youdao

Since American and European air strikes on Libya began, a number of journalists have asked some variation of the same question: What, exactly, are our ultimate objectives?

自从欧美展开对利比亚的空中打击之后，一些记者提出了一个大同小异的问题：我们的最终目的究竟是什么？

youdao

Therefore, the variation of air temperature is not the main factor affecting the displacement of the slope.

因此，气温变化不是边坡位移起伏的主要因素。

youdao

So, instead of having the periodic variation of water, or the periodic variation of air density here we're talking about an electric field.

不像水或者空气密度的,周期变化，我们这里,讨论的是电场。

麻省理工公开课 - 化学原理课程节选

An ideal one would keep the same rate regardless of variation in power supply, temperature, air pressure, magnetic fields, or any other disturbing influences.

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