The working principle and the functions of the monostability multivibrator composed of 555 timer are introduced in the paper, and the time switches are designed.
介绍了用555定时器构成的单稳态触发器的工作原理,对其功能作了进一步探讨,在此基础上设计了一种具有实用价值的定时-非定时两用开关。
Tonight the nation switches from daylight-saving time to standard time.
今晚该国从夏令时间改为标准时间。
《柯林斯英汉双解大词典》These switches turn on and off all the time, controlling how our cells work and how we respond to our environments.
受控于我们传感器的工作或者我们对周围环境的反应,这些开关可以随时打开或关闭。
First, transaction context switches are quite expensive operations in terms of computation time.
首先,就计算时间而言,事务上下文切换是开销相当大的操作。
I would prefer taking more time initially versus setting the adapter to a setting that might cause slower speeds as a result of poorly configured switches.
我宁愿在开始的时候花费更多的时间,而不是因为糟糕的交换机配置而对适配器进行相应的设置,从而导致较低的速率。
First-time usersoften report an exhilarating revelatory pang as they realise what the softwarecan do. As the globe spins and switches from one viewpoint to another, it caneven induce vertigo.
认识到这个软件的功能,第一时间的用户常常抱怨这种快乐而又颇具启示性的苦闷,因为频繁的地球旋转和从一个观察点换到另一个,甚至让用户感到晕头转向。
None of the options works as well or is as easy to use as old-fashioned knobs and switches, and they can be more time-consuming and distracting to operate.
然而这些方法的任何一种都不如老式的旋钮和按键好用,而且它们操作起来也比较费时,还会令司机分心。
The exact measurement on switching time provides reference for optical switches using in different field.
准确测量光开关的转换时间为其应用在不同领域提供了参考。
Through dial switches the circuit breaker can set rated current, tripping time, instantaneous multiple and so on.
该断路器通过拨码开关完成整定电流、脱扣时间、瞬动倍数等参数的设定。
At run time, ConTest sometimes tries to cause context switches in these places.
在运行时,ConTest有时试图在这些位置引起上下文转换。
He hates cartoons, so every time he sees them he switches over.
他讨厌动画片,所以每次看见了他都转台。
Because process switches occur quite often, it is important to minimize the time spent in saving and loading hardware contexts.
因为进程切换很频繁,所以减小花在保存和装载硬件上下文上的时间就变得很重要了。
Also, zero-copy operations reduce the number of time-consuming mode switches between user space and kernel space.
同样,零-拷贝操作减少了耗费时间的用户态-系统态状态切换的次数,从而节省了时间。
The results show that the absorption fraction of the semiconductor slab of the switch increases the delay time of switches and should be considered in the calculation.
结果表明开关的半导体片对照射激光的吸收因子增大了开关的延迟时间,在计算中应该加以考虑。
The experimental results show that forward pumping time and reverse pumping time are important parameters for semiconductor opening switches.
结果表明,正、反向泵浦时间是影响半导体断路开关特性的最主要因素。
It has limit switches that raise the arm when the robot has successfully gripped a balloon, so team members don't waste time making sure it's ready.
它有一个限制开关,当机器人成功的抓住一个气球后,手臂会自动举起来,因此小组成员不需要花费时间确定机器人是否成功的抓住了气球。
Over time, though, hubs were replaced by switches, which send to each port only the traffic directed to the device on that port.
随着时间的推移,然而,集线器取而代之的是交换机,发送到每个端口的交通指示设备端口。
The ACS switches from mode 7 to mode 3 when mode 7 is not able to maintain a small elevation error while dealing with the azimuth error at the same time.
当模式7在处理方位角错误时无法同时维持较小的仰角错误时,ACS会从模式7转换成模式3。
The application of Fast High Voltage Transistor Switches (HTS) in pulsed ion beam and the time of flight (TOF) setup is described.
详细介绍了快速高压晶体管开关在加速器束流脉冲化和用于二次离子测量的加速器飞行时间谱仪上的应用。
The fundamental theory and simulation skills of the time slot system are deeply studied. Then time slot mechanism is designed for R/B switches and switching networks.
通过深入研究时间片系统仿真机制的工作原理和仿真方法,为工具设计了贴近R/B交换机和交换网的时间片仿真策略。
At present most of the existing domestic testing press, hot press are all manually operated, or use time relays, switches, etc. as control elements.
目前,国内现有的试验压机、热压设备多为手动操作,或采用时间继电器、行程开关等作为控制元件实现一定程度的自动操作。
The algorithm considers the time consumption of context switches, and can reduce the unnecessary preempting behavior to tasks which have lower priorities.
该方法考虑了上下文切换消耗时间对调度算法的影响, 可以减少低优先级任务不必要的频繁抢占。
Presents a new computer oriented method based on a state variable approach to a large signal time domain analysis of networks with ideal switches.
对于理想开关网络的大信号时域分析,提出了一种基于状态变量法的新的面向计算机的方法。
Compared with other similar optical switches, it has the advantages of short switching time, high diffraction efficiency and low operating voltage.
与同类光开关相比,这种开关具有开关时间短、衍射效率高和工作电压低的优点。
If the specific time when the regime switches can be obtained, the famous Chow test can be used to detect whether a structural change takes place.
如果机制转换的时间点已知,则可以用著名的邹氏检验来确定已知的时间点是否发生结构变化。