[英][?pau? i?finsi][美][?pa f?nsi]
出力效率，功率效率;
例句:
1.
Dominant power efficiency refers to efficiency.
显性效益就是指节电效益。
2.
Designing a high linearity and high power efficiency wireless transmitter is a bigchallenge due to the nonlinear characteristic of the power amplifier.
而功率放大器又具有非线性特性，因此要设计高效率又高线性度的无线发射机便成了一个相当困难的挑战。