| 术语 | power |
| 释义 | power 乘幂;功率 1. In mathematics, the number times that a quantity is multiplied by itself. 在数学中,一个量自身相乘的次数。 2. In electronics, the product of an instanta neous voltage and the correspondent instantaneous current. In AC circuits, the power consumed in a circuit will be zero if the voltages and currents are exactly 90degrees out of phase with each other. 在电子学［技术］中,瞬时电压及其相应的瞬时电流的乘积。在交流电路中,若电压、 电流相位正好相差90°,则电路上消耗的功率为零。 |
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