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。
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。
In this paper, estimating law for mineral content, simple proof of the law and determining lowest sample size and error range in measure and statistics are discussed.
本文主要论述块状矿石显微镜下矿物含量点测法的估计定律，以及此定律的简要证明、测量统计中最低限度样本容量的确定及误差范围。
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