Circular equivalent source
Equivalent source method
new type equivalent source method
circular equivalent of rectangular duct
equivalent circular zone
incoherent circular source
Sweden slip circular method
Swedish circular method
approved equivalent method
boundary equivalent source
circuit replacement by equivalent source
direct current equivalent method
effective equivalent source
EQUIVALENT METHOD
等值法
等效化法
当量法
等效方法
当量方法
等效法
等效模型
equivalent potential source method