The quality of test paper is very important to evaluate the ability of the tester, and the grade distribution curve is its main evaluating standard.
试题质量的好坏对评估考生的实际能力非常重要，而考生成绩分布概率曲线是测定试题质量的的最主要标准之一。
The results can be used to estimate the commercial grain quality and provide the basis for working out state grade standard of paddy rice.
将此用于评定稻米商品粮品质，可为制定国家稻米分级标准提供参考依据。
When these parameters are used in industrial production, the quality of the product will be better than that specified for Grade one in the enterprise standard.
在工业生产中运用这些工艺参数， 产品质量均能超过企业标准一级。
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