This paper analyzes the current state of control technology of fume cleaning system for aluminium reduction, And introduces a new control system.

本文对铝电解烟气净化系统控制技术的现状进行了分析，并介绍了一种新型的控制系统。

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According to law, the release of the biological control agents must be authorized by the secretary of state for the environment.

根据法律规定，发放生物控制剂必须得到环境国务秘书的批准。

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American Secretary of State Henry Stimson said the United States would not recognize Japanese control in these areas of China.

VOA: special.2011.03.03

But the new Presbyterian Party soon developed its own methods of employing state power to control and regulate the church.

但新的长老派很快就发展了自己的办法,那就是利用政府权力控制和管理教会。

耶鲁公开课 - 弥尔顿课程节选

are all functions of state and parameters that we can control like temperature and pressure.

公式里面的全部都是态函数,我们控制态函数的参数比如温度或者压强。

麻省理工公开课 - 热力学与动力学课程节选

By offering a way out of the urban pensions mess, it gave reformists in government a reason to persuade dogged conservatives to let go of state control of industry.

ECONOMIST: Casino capital

Mr Scott testified in a hearing before Wyoming's water authority, the state board of control, that he had been irrigating all along.

ECONOMIST: Western water rights

When European exploration began, Britain's more constrained crown left trade in the hands of privateers, whereas Spain favoured state control of ocean commerce.

ECONOMIST: Creating economic wealth