水声声强
underwater noise intensity
(强)等价函数
Strongly) Equivalent function
GK型等强钢筋锥螺纹接头
GK-type same-strength conical twisted splice
传输线等效模型
transmission line modeling
传输线等值模型
equivalent model of transmission
单机无穷大母线等值
one-machine infinite bus equivalence
one-machine infinite bus equivalent(OMIB