本文通过对分级试验数据的分析，指出混杂作用对粗粒级的影响是不可忽略的。

In this paper, it is pointed out that the effects of entrainment on coarse particle size are not neglected through analysis of data of classification tests.

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在对我国已有地震崩塌和滑坡资料(简称崩滑)的研究分析基础上，提出适用于我国西部地区地震崩滑的由粗至细、分级预测地震崩滑的方法。

Data of ground collapses and landslides caused by historical earthquakes are studied in this paper and a method for grading prediction of the collapses and landslides in West China is suggested.

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由于水坝的体积大，用来筑坝的混凝土的粗骨科粒径大、分级多。合理确定最大粒径、分级尺寸和级配十分重要。

Because of vast volume of a dam, the coarse aggregate of concrete used for constructing a dam is of large grain size and more grading.

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