对多孔结构金刚石圆锯片进行了模态分析，分析其振型特征，针对多孔锯片减振降噪提出了开孔率这一新的评价方式，并给出了公式；

Those saw blades with holes structure are analyzed by the mode analysis, study the mode characteristic, the ratio of open-hole is presented and given the formula.

youdao

对多孔结构金刚石圆锯片进行了模态分析，分析其振型特征，针对多孔锯片减振降噪提出了开孔率这一新的评价方式，并给出了公式；

Those saw blades with holes structure are analyzed by the mode analysis, study the mode characteristic, the ratio of open-hole is presented and given the formula.

youdao