switch on and off中文是什么意思

• 开关通断

• switch    n. 1.(树上折下的)细树枝；软鞭子；鞭打。 2.假发 ...
• off    adv. 1.〔运动〕向那边，隔开。 be off 走， ...
• off switch    停机键; 停机开关
• on and off switch    电源开关,通断开关; 通断开关
• on off switch    双位开关; 通断开关
• on-and-off switch    通断开关
• on-off switch    换向开关; 启闭开关; 双位开关,双控开关; 转换开关
• switch off    避而远之; 关电; 关掉不理睬; 关上开关; 关饷; 截断，关闭; 开关断开; 切断，(用开关)关掉; 切断，关掉
• to switch off    关电门
• armed release-off switch    爆炸投弹电门
• audio cut off switch    音响断路开关
• automatic switch off    自动断路
• boo brake on-off switch    制动开关
• brake on-off switch    制动开关
• breaker on-off switch    断路器通断开关
• cut off out switch    切断开关
• cut off switch    断路开关; 切断开关
• electrical cut-off switch    电力截断掣
• expiratory off-switch mechanism    呼气切断机制
• gate turn-off switch    可关断可控硅开关; 门电路切断开关; 闸极遮断开关
• hand off-auto switch    手动
• horn cut-off switch    音响警告器电门
• inspiratory off-switch mechanism    吸气切断机制
• motor off switch    电动机切断开关
• motor on off switch    电动机起停开关

• 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。
• 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
• 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。
• 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。
• 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。
• Fso is not possible with existing indoor lighting because incandescent bulbs cannot switch on and off fast enough
  无线光通信在现有室内光源的情况下不可能实现，因为开关速度不够快。
• And no one could see a way to connect the two devices to make , for example , blinking bacteria that could be switched on and off
  但遗憾的是，还没有人能把这两种生物装置结合起来，做成可以利用开关来调控的发光细菌。
• Specialized circuit design for ic card reader without switch on and off the machine repeatedly . the most stable conjunction for hardware and software
  专业ic读卡机系统电路设计，不需反覆开关重开机，具最稳定之软硬体搭配功能。
• Specialized circuit design for ic card reader without switch on and off the machine repeatedly . the most stable conjunction for hardware and software
  专业ic读卡机系统电路设计，不需反覆开关重开机，具最稳定之软硬体搭配功能。
• Adopting a silicon - on - insulator geometry can boost the rate at which the transistors can be made to switch on and off ( or , alternatively , reduce the power needed ) by up to 30 percent
  采取绝缘层覆矽的几何结构，可以提升电晶体在开与关之间的切换速度（换种说法是降低所需的功率）达30 %之谱。