Based on the results of Bayes estimations, the standard deviations for the compressive strength of RAC with strength grades of C20 and C30 were proposed.

根据统计分析和贝叶斯估计结果，建议了强度等级为C20和C30再生混凝土抗压强度的标准值与标准差的取值。

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The essence of grades standard is gem cutting database - processing rules system, for cutting data determines cutting quality.

评级标准的实质就是切割数据，因为切割数据决定着切工品质。

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Standard land should be classified at different levels according to three basic functions-for business, residential and industrial uses-and relevant grades.

标准宗地应按商业、居住和工业三种基本用途与相应的级别分层次设置。

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The efforts of these organizations and many other like-minded groups are part of a national movement that would make social and emotional learning a free-standing, required learning standard for grades pre-k through 12.

FORBES: Teaching Empathy: The Ancient Way Is Now Cutting-Edge

But AQA said this would mean awarding C grades for work below the standard.

BBC: Exam boards defend GCSE English role in High Court

But today Health Grades' methodology is an industry standard, and top hospitals pay for its advice.

FORBES: Magazine Article