DC power source 直流电源 ; 直流电源供应器
DC power source screen 直流电源屏
Solar Module DC Power Source 太阳能组件直流电源
DC operating power source 直流操作电源
high power dc source 大功率直流电源
Switch DC power source 开关式直流电源供应器
programmable dc power source 程控电源
DC operative power source 直流操作电源
Switching power supply or DC power to AC power through it will be a stable DC voltage source.
开关电源把直流电源或交流电源通过它可以获得一个稳定的直流电压源。
Having initially connected the ornithopter using a DC power source, they realized that the device could lift 1.5 grams of payload, which was roughly the mass of the batteries required for flight.
起初给扑翼机接上一个直流电源之后，他们发现这个装置的有效载荷为1.5 g，这大概可以勉强提起飞行所需的电池。
Pulsed arc welding power source by thyristor DC chopper consists of common DC arc welding power source and DC chopper.
采用晶闸管直流斩波器的脉冲弧焊电源是由普通的直流弧焊电源，附加晶闸管直流斩波器组成的。
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