dimensionality reduction降维reduction[英][ru026au02c8du028cku0283n][美][ru026au02c8du028cku0283u0259n]n.减少; 降低; [数学]约简; [摄影术]减薄; 复数：reductions易混淆单词：Reduction例句:1.Debt reduction has become a hot political issue. 债务削减计划已成为一个政治热点。2.Politics within the government can help or hinder deficit reduction. 政府的内部政治可以促进也可以妨碍赤字的减少。
