在评估最大电压或最大电流水平时，要想达到规定的寿命，则必须考虑继电器的功率额定值。
When evaluating either maximum voltage or maximum current levels, the power rating of the relay must also be considered if the specified life is to be attained.
每户家庭都减少了50%的电力消耗，主要是通过使用低功率电器和太阳能电池板来减少耗电。
Every home cuts power consumption by 50%, mostly by using low-power appliances and solar panels.
z 4是机电式的(继电器式)，支持64个存储字，且运行高达40hz(消耗功率为4kw)。
The Z4 was electromechanical (relay-based), supported 64 words of memory, and ran at a whopping 40hz (at 4kw of consumed power).
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