vra
美
英 
- 网络可变利率音频(variable rate audio)
例句
In short, the method deducing tectonic stress field by vitrinite reflectance anisotropy (VRA) is feasible and effective.
总之,利用煤镜质组反射率各向异性推断构造应力场的方法是可行的、是有效的。
Yet in America, insurance companies regularly claim that VRA helps them to reduce fraud by around 90%.
但是在美国,保险公司声称VRA减少了大约90%的欺诈。