Feature selection has abroad application in machine learning and data mining area, it is always applied as a primary pre-processing step.
属性选择通常作为一个主要的预处理步骤，在机器学习和数据挖掘领域有着广泛的应用。
Metal processing exhibition area: metal cutting machine tool, metal shaping machine tool, special processing machine tool.
金属加工展区：金属切削机床、金属成型机床、特种加工机床。
Reduced the number of the machine tool and the number of parts processing at the time of loading and unloading, reduced the number and covers an area of operation.
减少了所用机床数量和零件加工时的装卸次数，减少了操作人数和占地面积。
Reduced the number of the machine tool and the number of parts processing at the time of loading and unloading, reduced the number and covers an area of operation.
减少了所用机床数量和零件加工时的装卸次数，减少了操作人数和占地面积。
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