It requires no external power sources, thereby reducing operation costs.
无需额外动力，节省运行成本。
This also means that there is no external power that produces the arising and the cessation of dukkha.
这也意味着没有外面的力量来产生或终止苦难。
In the case of a mechanical switch, this circuit would require no external power to implement this function.
在机械开关的情况下，电路不需要外部电源实现这个功能。
Only minimal training is required and no external power, electricity, equipment, clean water, or sterile environment is needed.
它只需简单培训，又无需外部能量、电、设备、干净的水或无菌环境。
The special feature of the demonstrator is that the sensing elements have no need of an external power supply.
这种演示装置的特点在于，其传感器件不需要外部电源。
Engine idle speed is no power output of external conditions.
怠速是指发动机对外无功率输出的工况。
Conclusion Low power microwave radiate in external acoustic canal treatment of acute secretory otitis media is useful, painless and no side effect.
结论低功率微波耳道内辐射治疗分泌性中耳炎，疗效显著，无痛苦，无副作用。
There is no need for an external amplifier when testing high-power devices.
在测试大功率器件时不需要外部放大器。
The scheme requires no external beam shaping element and has the potential to be designed for high-power applications.
此方案无需外加光束整形元件，在高功率应用方面较有潜力。
The scheme requires no external beam shaping element and has the potential to be designed for high-power applications.
此方案无需外加光束整形元件，在高功率应用方面较有潜力。
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