例句與造句

1. Usually, alternating voltage is stated as the root mean square voltage.
2. One property of root mean square voltages and currents is that they produce the same heating effect as direct current in a given resistance.
3. The meaning also varies when alternating current is used, as there is the more commonly known root mean square voltage ( 120V ) but also a peak wave voltage ( 170V ).
4. It's difficult to find root mean square voltage in a sentence. 用root mean square voltage造句挺難的