You can turn on and off access to any of these groups.

您可以打开或关闭对任何这些组的访问。

youdao

Now we have a vending machine that we can turn on and off.

现在我们有了一台可以开启和关闭的自动售货机。

youdao

Which is known to harbor genes involved in immunity and controlling how and when genes turn on and off.

众所周知，其上的基因与免疫和控制基因如何及何时启动、关闭有关。

youdao

They used light-sensitive molecules to turn on and off nerve cells in the deep brain structure of mice.

VOA: special.2009.04.07

We can actually see spatially all the details in the field animated as you turn the current on and off.

我们能看到,所有细节的空间动画分布,就在你打开电流和切断的时候。

麻省理工公开课 - 媒体、教育、市场课程节选

If the temperature drops below a certain level it sends a signal, 'turn on the heat', and that signal stays on until it gets a negative signal to turn off.

如果温度降到一定程度以下时,探测器会发送一个信号,打开加热器,直到加热器再收到关闭的信号,它就会一直开着

耶鲁公开课 - 生物医学工程探索课程节选

The lights use two mechanisms to tell the LEDs when to turn on and off.

CNN: Light-up wheels turn your bike into a 'Tron Cycle'

Researchers can then turn on and off just those brain cells in laboratory animals and see what happens.

FORBES: Magazine Article

It flickers to life on-screen and appears to turn on and off when you shake the device it's on.

FORBES: Media