A study of a solar-powered blood pressure monitor finds it can be an effective tool in places where electricity - and even batteries - can be in short supply.

对太阳能血压计的研究显示，这种血压计在那些缺少电力或者电池的地方可以发挥大作用。

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You simply set the rate of your electricity cost and plug your appliance into the device, and a monitor calculates its energy cost.

你简单的设置一下电费的单价并把仪器安装到家用电器上，它就可以计算出消耗的电费。

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Honda will monitor how effective the charging station is at generating electricity, and ways to improve the convenience and usability of the charging station for customers.

本田公司将监测这种充电站在发电方面的效率和如何改进用户的便捷性和可用性。

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The government announced the plan to install smart meters to monitor electricity and gas consumption in 26 million homes earlier this year.

BBC: Smart meters 'need live displays'

This allows the computer to monitor incoming notifications without using much electricity.

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Hundreds of thousands of switches and circuit breakers must be operated manually, and the main transmission lines have little instrumentation to monitor the second-by-second flow of electricity from unpredictable new sources like windmills.

FORBES: Juicing the System