The use of manual or electric switch drive shall be as directed by the engineer.

在手动或电动开关驱动器的使用应视为指示，工程师。

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It adopts the digital code signal to control the gear changing and the states of the electric switch.

电子选发器采用数码信号控制换档和电子开关选通，从而克服了机械选发器的弊端。

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By increasing or lessening the hours of darkness in each day, the scientists have been able to turn plant growth off and on like an electric switch.

用增加和减少每天黑暗小时数的方法，科学家已经能够控制植物生长，如同控制一个电器开关。

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Five years ago, dairy farmer Darryl Vander Haak flipped the switch on the first electric generator in Washington State powered by manure.

VOA: standard.2010.02.23

If he needed a surge of strength, he imagined throwing an electric switch to flood his muscles with power.

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When you slip the stubby gear selector (an electric switch, actually), you can hear and feel satisfying mechanical clunks and shudders coming from the six-speed, dual-clutch transaxle, signaling that the fuse is lit.

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On the other hand, this conflation makes far more sense in the long term, as our electrical grid becomes more sophisticated, and as electric vehicles begin the inevitable switch from internal combustion engines to electric motors or some other renewable source of power.

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