It works the same way as switching engine sound on or off.

它的工作原理相同的方式，作为开关打开或关闭的发动机声音。

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Why does switching to the MEMORY engine increases the table size?

为什么切换到存储引擎增加表的大小？

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By analyzing the structure the working mode, and the switching process of parallel hybrid electric vehicle, the importance of engine speed regulation was discussed.

通过分析并联混合动力电动汽车的结构和工作模式的切换过程，讨论了并联混合动力汽车进行发动机调速控制的必要性。

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If you are really gentle with the accelerator, you can reach highway speeds without ever switching on the gas engine.

WSJ: 2013 Ford C-Max Hybrid Review: A Fine Car Falls Way Short on MPG | Rumble Seat by Dan Neil

Japan announced that it is switching to the Google search engine as the back-end search technology.

FORBES: Baidu's Answer to Android And The Mobile Market

Joe Bakaj, an engineer at Ford, says that even American buyers of the company's F-150 pickups, who would normally scoff at anything with less than a V8 engine, are switching to a new V6 version that performs at least as well but drinks less fuel.

ECONOMIST: Carmakers: Revenge of the petrolheads | The