8h等效A声压级
8 hours’ equal effect of pressure level A
Gassmann等效理论
Gassmann’s equivalent medium theory
Martyn等效理论
Martyn’s equivalent theorem
n维等效方法
n-dimensional equivalent method
Von Mises等效应力
Von Mises effective stress
部分等效元法
partial-element equivalent circuit(PEEC
齿根等效应力
equivalent stress on root of scroll wrap
单相等效电路
a single phase equivalent circuit
等效(二次换算)系数
equal effective(2nd conversion)coefficients
等效36脉波整流器
Equivalent 36-pulse rectifier
等效48相整流
equivalent 48 phases rectification