switch on and off中文什么意思

例句与用法

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1. It is inconceivable that so strong a source of energy can be switched on and off in as little time as 1/30 second .
   真难以想象如此强的能源可在130秒这样短的时间内关闭和开启。
2. What 33 kda does is it tells the cells when to switch on and off
   所做的，就是告诉细胞甚么时候要运作
3. Each of these items can be switched on and off , and most can be configured in different ways
   每个项目都可以被显示或隐藏,而且大多数可以用不同的方式设定。
4. It is inconceivable that so strong a source of energy can be switched on and off in as little time as 130 second
   真难以想象如此强的能源可在1 30秒这样短的时间内关闭和开启。
5. It is inconceivable that so strong a source of energy can be switched on and off in as little time as 1 / 30 second
   真难以想象如此强的能源可在1 30秒这样短的时间内关闭和开启。