mass flow ratio质量流量比;质量量比
mass mixing ratio质量混合比
Mass Flux Ratio量通量比;质量通量比
mass electron ratio质量电荷比
mass conversion ratio质量转换率
high mass capture ratio高流量系数
Mass distribution ratio[车辆] 质量分配比
mass concentration ratio质量浓度比
ozone mass mixing ratio臭氧混合比
The higher the rigid body speed and the smaller the mass ratio,the bigger the peak impact load of rectangle tubes and the longer the contact time.
冲击速度越大,质量比越小,弹塑性管模型的冲击荷载峰值越大且接触时间越长。
参考来源 - 受刚体碰撞方管柱考虑局部屈曲时的弹塑性冲击荷载N（名词） the ratio of the mass of a fully-fuelled rocket at liftoff to the mass of the rocket without fuel 质量比