当空气污染危害人体健康，使气候升温时，对此采取行动情有可原。那么用污染物使地球降温这个做法如何呢？
When air pollution hurts people's health and heats up the climate it makes sense to do something about it. But what about pollution that cools the planet?
有些交易者喜欢用标准背离通道，经常被称作布林通道，根据市场波动情况它会伸缩。
Some traders like to use standard deviation channels, often called Bollinger bands, which expand and contract in response to market volatility.
因此可以近似地用此模型方程序代替玻氏方程序讨论介于分子流和粘性流之间的过渡区的气体运动情况。
Thus instead of Boltzmann equation this model equation may be approximately used to discuss the motion of gases in the transient region between molecular flow and viscous flow Iimits.
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