The power module changes 5v input power into 3.3v and 1.8v, for supply the system energy.

电源模块的作用是将5v的输入电压转化为3.3 V和1.8 V输出，为系统供电。

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In this paper, the design of the PSD control system's hardware, which includes the power module, the control module and the drive module has been made.

本论文完成了屏蔽门控制系统的硬件电路设计，包括电源模块、控制模块、驱动模块的设计。

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The light source module, the reflector module and the power module are designed with standard modules, which are convenient to replace and reduce the cost of maintenance.

光源组件、反射器组件、电源模块等均采用标准模块设计，方便更换，减少后期维护成本。

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They used the electrical power in the lunar module to add electricity to the batteries of the command module.

VOA: special.2009.07.22

European incentive programs threatened to spin out of control when solar module prices dropped - decreasing producers' costs - while the rates utilities had to pay to buy that power stayed high.

VOA: standard.2010.03.23

After an explosion in Apollo 13's service module cut off propulsion and power, the lunar excursion module (LEM) was used as a lifeboat to provide life support to the three astronauts, and the engine of its descent stage for course changes, until the command module could re-enter the atmosphere after a long coast around the moon.

MSN: Salvaging Science from Stricken Mars Moon Probe: A Scientist's View - Technology & science - Space - Space.com | NBC News

Wall Street was also pleased with the Solarfun Power Holdings outlook, which includes total module shipments in the second quarter to range between 160 megawatts and 170 megawatts, and between 600 megwatts and 650 megawatts for the full year.

FORBES

The display, touch-screen module, as well as the applications processor and power management integrated circuit are all thought to be made by Samsung.

FORBES: Samsung's Beefed-Up Galaxy S4 Display Drives Bill Of Materials Up To $236