Perform test stand calibration according to Error Proof Sample .

实施生产线标定样件的验证及维护工作。

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A chemist takes a sample of whiskey from a VAT, determines that it is 90 proof.

化学家要确定一大桶威士忌酒是否是90度，也只能从桶中抽取一些样品加以化验。

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To produce a sample proof: Lay the substrate out on a smooth flat surface.

要产生一个样本证明：躺着的基板，光洁平整的表面上。

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What this means is rather than trying to catch every cheater you randomly sample for cheating and if you find incontrovertible proof then you impose a punishment so viciously harsh that fear of it deters all possible cheaters.

FORBES: The Sins of the Father: Dishonor, Disgrace and Boiling Cheaters in Oil