英语词汇perforation rate怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	perforation rate
释义	perforation rate perforations齿孔 perpetrationn. 犯罪；做坏事 nonproliferationn. 防止核武器扩散 disproportionateadj. 不成比例的；不相称的；不均衡的
随便看	quadratic programing Quadratic programming quadratic programming estimator quadratic programming problem quadratic programming techniques quadratic programs quadratic quadrate quadratic quotient search Quadratic reciprocity Quadratic reciprocity law quadratic regression quadratic regression equation quadratic rehash quadratic rehash method Quadratic residue Quadratic residue code quadratic residues interactive proof system Quadratic residue symbol quadratic resolvent quadratic response quadratic root quadratics quadratic scoring rule quadratic search quadratic section

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