The sulfide (especially troilite) contained in coal seams is representative a kind of strong reducing environment.

煤层中含有硫化物（特别是硫铁矿），代表一种强的还原环境。

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Several favourable methods are proposed for further improving the purifying techniques and reducing environment pollution based on the above discussions.

在此基础上，探讨了改进提纯技术，减少环境污染的几种有益的方法。

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If secondary regulation technology is applied to vehicle transmission, it obviously means much to the vehicle energy recovery and reducing environment pollution.

将二次调节技术应用于车辆的传动系统中，对研究车辆的能量回收再利用和减少环境污染无疑具有重要意义。

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And it includes the common goals of preserving the environment and reducing pollution.

FORBES: EPA: Green Gone Wild

Not only does it create jobs, manufacturing jobs that pay well, but it also is going to make a huge contribution in terms of our environment and reducing carbon emissions.

WHITEHOUSE: Remarks by the President at a DNC Event

Knowing that a child was susceptible to middle ear infections because of a family history of the condition would allow parents to control the child's environment, reducing its chances of becoming ill, he said.

BBC: Ear examination