They are controlled by molecular triggers that switch on and off on demand.
它们由能够根据需要开启或关闭的触发分子控制。
“There’s always the switch on, switch off button on the phone. So it’s your choice”, he says.
“因为手机上总有一个开机关机的按扭，这完全是个人的选择”他说道。
Although the rats had regained the ability to walk, they were still reliant on an electrical wire to switch their movements on and off.
虽然这些老鼠已恢复了行走能力，但是，它们仍需依靠一根电线来带动自己行走及停止。
So, very crudely, the thing on the wall is the switch DNA, your finger is the regulator, and gene expression is the light turning on or turning off.
因此，大体上可以这么形容，在墙上的东西就是开关DNA，手指是调控器，基因表达就是打开灯或关闭灯。
You can decide to switch off the validation during certain application development cycle and switch it back on later on.
可以决定在应用程序开发的某些阶段关闭检验，以后再打开它。
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.
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。
When a child masters turning on and off a light switch, his brain has expended more energy than the most complicated computer that we have on earth.
一个孩子学会开灯关灯的时候，他的大脑消耗的能量超过地球上最复杂的电脑。
Of course, to turn the on-off switch on is harder when somebody's in a coma.
当然要开启这个开关难度更大，当人陷入昏迷。
The electric station is controlled with the help of the mnemocircuit. The computer can be used to switch on and off the entire equipment on the electric station.
借助于简略电路对发电站进行控制。计算机可开关发电站的所有设备。
The computer can be used to switch on and off the entire equipment on the electric station.
计算机可开关发电站的所有设备。
The EWG added that exposure can also cause epigenetic changes, meaning alterations in the way genes switch off and on and genetic changes that can be passed on to the next generation.
EWG补充说暴露在PBA下还会导致遗传性变异，意味则各种基因的变异能够遗传到一下代身上。
For example, let's assume that when a switch turns on we want to turn a solenoid on for 5 seconds and then turn it off regardless of how long the switch is on for.
例如，让我们来假设，当一个开关开启，我们需要开启螺线管5秒，然后我们不管开关开了多久，我们关掉它。
Students will power is sent to the control box, press ON / OFF button switch ON keys, operation indicator light, machine.
将电源送至控制箱内，按下ON/OFF按钮开关的ON键，运转指示灯指示，机。
The cylinder loads mutual lock safety device; the cylinder unable to install, if the switch has not turned off, and on the "on" position.
气瓶装入互锁安全装置；开关未关旋钮处于开的位置气瓶将无法安装。
On the standard item we mount an electrical box with 6 foot cord and on off switch. If dimensions are a critical issue please talk to us before ordering.
我们的标准产品上装有含6英尺电线和双位开关的电箱。如果尺寸对你们来说很重要的话，请在订购前指明。
For obtaining practical output voltage waveform, the optimized strategy of widening a couple of switch angles is presented based on the specific requirement of on-off time of switching device.
为了得到实际输出电压波形，根据开关器件通断时间的具体要求，提出了展宽开关角对的优化策略。
Theoretical analysis is made on matrix selection and parameter design of superconducting on-off switch wire and a suggestion of reasonable application of the wire is presented.
从理论上对超导开关线的母材选择和参数设计进行了分析，并对超导开关线的合理使用提出了建议。
It should switch off the weld machine; the welding tongs should put on the insulator or hang on. Don't touch the member.
焊接完后及时关闭焊机，将焊钳放在绝缘物品上或悬挂起来，不得与构件接触。
On the standard item we mount an electrical box with 6 foot cord and on off switch.
我们的标准产品上装有含6英尺电线和双位开关的电箱。
Electrical contact also called contact or contact junction, is the contact component of electric switch, instruments and meters and so on, which takes on the task of current on or off.
电触头亦称触点或接点，是电器开关、仪器仪表等的接触元件，担负着通断电流的任务。
This paper is concentrated on brief introduction to the ON/OFF valve with no-touch approach switch. The contents include its advantages, system constitution, calibration, and its applications.
本文简要介绍了带无触点接近开关ON/OFF的优点，系统组成，调校及其应用情况。
It's a bit more — to continue with the metaphor of the on-of switch — as though not only is the switch turned to off, there's a lock on the switch.
要继续用开关的比喻-，就有点奇怪了-，似乎开关的上面，还有一个锁定装置。
Setup is simple with a simple on/off switch on both devices getting them going.
的设置是简单的与这两个设备让他们正在进行一个简单的通/断开关。
To switch an object on or off, either click the check box alongside the object name with the mouse, or select the appropriate line in the list and press on the keyboard.
用鼠标选中星体名前的单选框或者选中星体名然后按<空格键> 均可激活该星体。
For example, if you were to design an icon which tells the user it switches something on or off, which form would you chose: a light switch on the wall, or a key in an ignition lock of a car?
例如，如果你要设计一个图标，告诉用户它切换或关闭，形成你会选择：在一个汽车点火锁在墙上，或一键灯开关吗？
Instruments based on the lower limit of two switch-contact device, the pressure to set a signal or when the value of on-off control circuit for the operating system's automatic control or the use.
仪表设上、下限二位开关型接点装置，在压力达到设定值时发出信号或通断控制电路，供作业系统自动控制或发讯用。
An on-off switch with pilot light, reversing switch and a power rheostat are mounted on the base.
开关还附有指示灯，转换装置及电阻在底座上。
Before carrying out the disassembly work, be sure to turn OFF the motor switch and affix a tag indicating "no POWER ON" or the like to the switch so that the switch will not be turned ON by mistake.
在进行拆卸工作之前，一定要关闭马达开关，并把标明“请勿打开电源”之类的标签贴在开关上，这样开关就不会被误开了。
Body Sensor Module base on probing infra red radiation from people to switch on or off.
人体感应模块，通过探测人体发出的红外辐射变化，开启或关闭电源。
Body Sensor Module base on probing infra red radiation from people to switch on or off.
人体感应模块，通过探测人体发出的红外辐射变化，开启或关闭电源。
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