It consists of a receiver, a transmitter, and a small power source.

它包括一个接收装置、一个发报装置和一个小型电源。

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Also, into the sea, Do not forget the existence of small water droplets, not to overlook the power of small water droplets, but it is the source of our life!

还有，成海以后，不要忘记小水滴的存在，更不要轻视小水滴的力量，它可是我们生命的源泉啊！

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To verify the accuracy and reliability of the system, contrast tests on reference sound power source and small motor are performed respectively in a semianechoic chamber and a common room.

为了验证噪声检测系统的精度和可靠性，在半消声室和普通房间内，分别对标准声功率源和小型电机作声功率对比测量试验。

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The current model of robo-fly is tethered to a small, off-board power source but Dr Ma says the next step will be to miniaturise the other bits of technology that will be needed to create a "fully wireless flying robot".

BBC: Robotic insect: World's smallest flying robot takes off

Part of the rationale for big government-sponsored rebates on what is an otherwise uneconomic source of power is the strategic benefit of distributing small-scale power generation across the landscape rather than focusing it in a hulking coal or nuclear plant.

FORBES: Magazine Article

Resembling a small child wearing an astronaut outfit with a backpack (for the battery power source), the ASIMO could walk on two feet at speeds at over three miles per hour.

FORBES: Reflections on Personal Robots, Backwards and Forwards