From then on there was no further contact. The tracking system appeared either to have been switched off or to have stopped working from that day.
从那时起，所有联络都中断了，自动跟踪系统可能已经被关掉了，也可能自那天起停止了工作。
If we (naively) neglect the possibility of the computer crashing or being switched off, the only important consideration is that measurements are logged at some point.
如果我们(天真地)忽视了计算机崩溃或关闭的可能性，那么惟一重要的考虑事项就是在某些时刻记录的度量结果了。
For instance, having two separate genes means each can be switched on or off at different time or in different tissues.
比如，有两个单独的基因是指每一个均可在不同时间或不同组织中开启或关闭。
The design incorporates a channel thin enough to become entirely devoid of carriers (ie, free electrons or holes) when switched off, thus acting as a valve, yet full of them when switched on.
这一设计包含了一条足够细的隧道，当它关闭时，里面完全没有载流子(电子或空穴)，当它打开时，里面便充满了载流子，起到了阀门的作用。
Scientists have even engineered artificial switches to start glowing or giving off some kind of electrochemical or biochemical signal once they are switched "on."
科学家们甚至已经设计了人工开关，当它开启时能够发光和者发出电化学或生物化学信号。
This circulation gets moreor less switched off at night when the temperature gradients disappear or reverse, avoiding heat loss and keeping the nest at a roughly constant temperature.
夜间当温度变化消失或是与白天截然相反时，巢内空气循环减弱，有效避免热流失，使得巢穴室温保持稳定。
Science careers can't be switched on and off with funding, and people will leave the country (brain drain) or leave science, never to return.
科研生涯不会因经费随时开始或结束，人们会离开国家(人才外流)或告别科研，再也不会回头。
Provided that your headphones or speakers are not switched off, it is much more likely that you will get the message through your ears.
只要不关闭耳机或扬声器，您就可以通过听觉获取消息。
Unlike debugging, DTrace can be switched on or off at will, and you do not need to provide a special build of your application to take advantage of the tracing functionality.
与调试不同，D Trace可以根据需要打开或关闭，而且使用跟踪功能不需要以特殊方式构建应用程序。
"This means that the alcohol was affecting the epigenome of the mice - controlling whether their genes were switched on or off," says Chong.
“这意味着酒精影响了小鼠的表观基因组——控制基因的开启或关闭，”Chong说。
Such "epigenetic" chemical changes don't change the genetic code, but can mean that a gene's function is increased or decreased, or switched on or off.
这种“表现”化学变化并不改变遗传密码，但可能意味着一个基因的功能被加强抑或减弱、被打开还是被关闭。
As described earlier, the electrical current to the solenoid of a proportional valve needs to be regulated and not just simply switched on or off as is the case with a conventional valve.
作为简单描述，提供给比例阀电磁铁的电流需要被调节，不象应用常规阀的时仅有开关通或断那样简单。
You can power 4 outlets on and off using a convenient top-panel button, or connect a DC remote trigger to toggle the switched outlets automatically (cable provided).
您可以功率4点上下车方便使用前面板按钮，或连接远程触发直流切换开关插座自动(电缆提供)。
The phone should be switched off or set to silent mode.
请将手机关掉或调至振动状态。
Cut off power supply check signal the feedback loop is switched on, the voltage is normal or not.
切断电源检查信号反馈回路是否接通，电压是否正常。
The idea that inheritance is not just about which genes you inherit but whether these are switched on or off is a whole new frontier in biology.
这一认为遗传并不仅仅是你继承了哪个基因而是这些开关是否被打开或关闭的观点在生物学上是一个全新的领域。
In a second mode, these two light-emitting forms can be switched on and off more or less at will using light of different wavelengths (' photo-switching ').
在第二种方式下，在用不同波长的光照射时，这种蛋白会或多或少改变它的这两种发光方式。
Nearly all circuits in a hydroelectric plant are provided with circuit breakers so that the current may be switched off or on as the occasion demands .
几乎所有的电路在水电厂提供断路器，使现行的路线在有必要时可以关掉。
We also ask you to ensure that your mobile phones are switched off or turned to vibrate mode.
为了会议的顺利进行，请关闭您的手机，或把手机调到震动状态。
The patients were studied in an off-medication session followed by an on-medication session. The stimulator was switched on or off in random order in each session.
接受研究的病人分为用药期和停药期，按照随机顺序给每期刺激物或移开刺激物。
Is my cellphone switched off or ringing?
现在我的手机是开着还是关着？
View levels don't take anything away from you in terms of "manual control" of the program - all map features can still be manually switched on or off.
视场级别不会削弱对星图的人工控制——所有的星图特征仍可以逐个调整。
The fly wheel on the drive shaft, which can be switched on or off as required, can make the system fly wheel torque adjustable.
其传动轴上配有飞轮，根据需要可带上或脱开，实现了系统飞轮矩可调的目的。
However, tracing statements can be switched on or off by using a configuration file.
不过，您可以使用组态档来开启或关闭追踪陈述式。
The lock core (6) is used for controlling the rotating position of the rotary valve (4) in order to obtain the aim of controlling the switch to be switched on or off.
通过锁芯（6）控制旋转阀（4）的转动位置，达到控制开关导通或截止的目的。
With the Fast Fourier Transform (FFT) algorithm in software design, capacitors being switched on or off are controlled by compound criterion.
在软件设计中，以快速傅立叶变换算法(FFT)为基础，采用复合控制方法控制电容器的投切。
With the Fast Fourier Transform (FFT) algorithm in software design, capacitors being switched on or off are controlled by compound criterion.
在软件设计中，以快速傅立叶变换算法(FFT)为基础，采用复合控制方法控制电容器的投切。
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