双拉环，一个简单的开和关。
开和关，开和关，给点掌声。
你可以在很多情形下使用这对反义词——开和关。
You can use the opposites - open and closed - in many different situations.
闹钟的开和关是通过拔出和按入闹铃开关实现的。
Pulling out the alarm switch activates alarm and pushing it deactivates it.
一个事件对象如同一个开关：它仅有两种状态：开和关。
An event object is like a switch: it has only two states: on or off.
数字控制被用来创建一个方波，信号在开和关之间切换。
Digital control is used to create a square wave, a signal switched between on and off.
通过在泵开和关时电磁阀所进行的开启和关闭来操作泵控制阀。
Solenoid operated pump control for controlled opening and closing on pump start-up and shut-down.
生产滑套在机械或液压开关工具的作用下进行开和关的上下移动。
Sleeve in the mechanical or hydraulic production tool under the effect of switching on and off the up and down.
从基因的组成研究，他们发现基因的开和关对于生物学和医学同等重要。
They found the way genes are switched on and off is at least as important, both biologically and medically, as the composition of those genes.
一个动态的酶通过增加和去除特定的分子从而实现基因组的转录开关的开和关。
A dynamic cast of gatekeeper enzymes controls this access to the DNA, adding and removing particular molecules to open or close the genome to transcription as needed.
在我们身体中许多基因控制着蛋白质编码基因在不同地方和时间的开和关，这就让基因序列更加复杂了。
Many genes control when protein-coding genes are turned on and off at different places and times in the body, adding a whole new layer of complexity to the genome.
这个新镜头，底部比顶部更薄，通过切换镜头底部边缘的发光二极管的开和关，控制进入到观众的眼睛的光线。
The new lens, which is thinner at the bottom than at the top, steers light to a viewer's eyes by switching light-emitting diodes along its bottom edge on and off.
镜框有三个按键设置——自动，手动开和手动关——让佩戴者可以完全控制。
The frames have three settings - automatic, manual on and manual off - allowing the wearer to remain fully in control.
电压IC在哪个提供的显示器上爬上电压到每排和透过开或关改变他们的柱子。 （不要与控制人员IC把弄糊涂）。
Driver Voltage IC mounted on the display which provides the voltage to each row and column by switching them on or off. ( Do not confuse with the controller IC ).
对于原子透射的“开”与“关”，我们提出两种实现方案：原子的相干控制和速度控制。
For a strong cavity field, we proposed two schemes for controlling atomic tunnelling, that is atomic coherence control and velocity selection control.
它的城门洞没有开在正东方向，而是在关城和瓮城的拐角处，向南而开。
It's not open doorway in the city due east, but in off the corner of the city and the Urn, the south and open.
X10基本上是家用的遥控系统，局限于开、关和明暗调节的命令。
X10 is essentially a remote control system for your home, limited to on, off and dim commands.
这种开关模式通过改变“开”时间段和“关”时间段的比值完全模拟从开(5伏特)和关(0伏特)之间的电压。
This on-off pattern can simulate voltages in between full on (5 Volts) and off (0 Volts) by changing the portion of the time the signal spends on versus the time that the signal spends off.
电磁阀是快开和快关的，一般用在小流量和小压力，要求开关频率大的地方电动阀反之。
Solenoid valve is open and fast speed, and tends to be used in a small volume and small pressure to the switching frequency of the local electric valve big contrast.
马达操作活门，用电马达来开，关和调制的活门。
Motor OPERATED valve, a valve using an electric motor for opening, closing and modulation.
特别涉及TDD系统中对发射开功率、关功率进行检测的方法和装置。
The invention especially relates to the method and device for detecting the emission open and close power in a TDD system.
第一和第二受控开关响应控制信号，所述控制信号可以是内部或外部提供，用于互斥开关操作。
The first and second controlled switches are responsive to a control signal, which may be internally or externally provided, for mutually exclusive switch operation.
如照明设计应以低照度和中等照度为主，不能使用“长命灯”，必须随到随开，随走随关，避免洞穴温度过高；
Such as lighting design should be based illumination and middle-illumination, can not use "long lights, " pick to be opened, as-you-go clearance, to avoid the temperature increased in the cave;
如照明设计应以低照度和中等照度为主，不能使用“长命灯”，必须随到随开，随走随关，避免洞穴温度过高；
Such as lighting design should be based illumination and middle-illumination, can not use "long lights, " pick to be opened, as-you-go clearance, to avoid the temperature increased in the cave;
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