By choosing different specifications of precision filtration material, can achieve the requirement of precision filtration, rough filtration, micro filter, etc.
通过选择不同规格精密的滤材，即可达到所要求的粗滤、精滤、微滤、除菌等不同的效果。
The sleeve surface processing is discussed, choosing different abrasive, time and pressure will result in different surface shape and rough parameter.
讨论了套筒表面的喷砂处理，选择不同的磨料、时间及压力可得到套筒不同的表面形状及粗糙度。
We presented weighted mean roughness, a new concept based on rough sets theory which is regarded as the criteria for choosing attributes.
基于粗糙集的理论提出了加权平均粗糙度的概念，将其作为选择分离属性的标准。
The equivalent plate thickness method can be used in choosing type and rough calculating in primary design. The nonlinear contact method can be used in final calculating and guiding model test.
等效板厚法可用于初步设计时选型、初算，而非线性接触方法可用于最终计算及指导模型试验。
In the process of constructing a decision tree, weighted mean roughness, a new concept based on rough set theory which is regarded as the criteria for choosing attributes is applied.
介绍了决策树算法的含义和构筑方法，对基于加权平均粗糙度构造决策树算法进行改进，通过实例说明了改进算法的优势。
In the process of constructing a decision tree, weighted mean roughness, a new concept based on rough set theory which is regarded as the criteria for choosing attributes is applied.
介绍了决策树算法的含义和构筑方法，对基于加权平均粗糙度构造决策树算法进行改进，通过实例说明了改进算法的优势。
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