A basic knowledge of chemistry, aqueous systems and electrochemistry or hydrometallurgy is always needed in order to draw the correct conclusions.

一个基本的化学知识，水系统和电化学或湿法总是为了得出正确的结论。

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RESULTS and CONCLUSION Only that more comprehensive standards and mastered them, it′s better to help us draw the correct conclusions of the testing.

结果与结论只有更好的理解标准、掌握标准，才能得出一个正确的检验结论。

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It is a method rather than a doctrine, an apparatus of the mind, a technique for thinking, which helps the possessor to draw correct conclusions.

FORBES: You Can Always Tell A Harvard Man, But You Can't Tell Him Much