这种引擎开/关通知可以自动地在开启与关闭之间切换，或者该系统也可以给司机发送“戒备信号”让司机自己动手开启或关闭汽车引擎。
The stop/start-enginenotifications could switch the engine off and on automatically, or they couldtrigger alerts to the driver to turn it off/on manually.
但锻炼几乎能马上发送运动信号，这些信号会决定哪些基因开启，哪些关闭。
But exercise sets signals in motion almost instantly that determine which genes get turned on and off.
但锻炼几乎能马上发送运动信号，这些信号会决定哪些基因开启，哪些关闭。
But exercise sets signals in motion almost instantly that determine which genes get turned on and off.
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