velocity ratio是什么意思

用法例句

It has also discussed the time-space distribution of annual speed ratio γ h and dynamic evolution characteristics by deformation data across the fault.

对苍山 5 2级地震前后出现的跨断层形变异常特征进行了分析 ,并系统地分析了由跨断层形变测量资料提取无量纲年速率比γh 的时空分布和动态演化特征。

A series of PP ( propylene - ethylene copolymer) /PE ( high density polyethylene) blends with different melting flow rate ratio (RM=MFRpp/MFRPE ) were obtained by matching PP and PE with different melting flow rates (MFR).

选择不同熔体流动速率(MFR)的乙-丙共聚型聚丙烯(PP)和聚乙烯(PE),分别配混出一系列不同熔体流动速率比(R_M=MFR_(PP)/MFR_(PE))的共混体系。