The pre-treatment of them before conventional cyanide leaching includes roast, chemical oxidation and biological oxidation.

在传统氰化浸出之前进行的预处理过程包括焙烧，化学氧化和生物氧化。

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The output of voice in the conventional speech alarm system of hydropower plants is achieved by pre taping.

传统的水电厂语音报警系统是采用预录音的方式来得到语音文件。

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The results of ozone pre-oxidation and conventional process treating slightly-polluted source water showed that this unit could reduce effectively COD_(Mn), color and turbidity.

方法采用臭氧预氧化与常规处理联用工艺对微污染水源水进行了中试试验，研究了高锰酸盐指数、浊度、色度的处理效果。

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Some have used reprehensible tactics, though America's conventional pre-eminence may itself encourage adversaries to fight dirty.

ECONOMIST: Assessing the campaign: The reckoning | The

" In his brief acceptance address, a man who has served presidents of both parties as Under Secretary of the Navy, conventional arms control negotiator and Director of Central Intelligence laid out pre-conditions that must apply before there is any likelihood of a Palestinian polity with whom Israel might actually be able to live "side by side in peace.

CENTERFORSECURITYPOLICY: Center For Security Policy

As a pre-fabricated structure it also took less time to construct and was cheaper than a conventional steel and concrete building, says Liddell.

CNN: Can wooden skyscrapers transform concrete jungles?