zero power factor造句

例句与造句

1. At zero power factor, the current in coil B is in phase with circuit current, and coil B provides torque to drive the pointer towards 0.
2. Instantaneous and average power calculated from AC voltage and current with a zero power factor ( \ varphi = 90 ^ \ circ, \ cos \ varphi = 0 ).
3. It's difficult to find zero power factor in a sentence. 用zero power factor造句挺难的