set a timer
设置定时器
countdown timer
倒计时器
watchdog timer
[计]监视时钟
timer control
定时器控件
old timer
老资格；老前辈
system timer
系统定时器
a first timer in the office
初次到职工作的人
The heater is on a timer switch.
加热器连在一个定时开关上。
Delay electronic timer, humidistat & delay electronic timer models are available.
拉线开关型，延时定时器型、湿度探测型供用户选用安装。
Standard cord, delay electronic timer, humidistat &delay electronic timer models are available.
有普通型、拉线开关型、延时定时器型、湿度控测型供用户选择安装。
the old-timers panned gold.
老手们用淘选盘淘金。
for most first-timers the success rate is 45 per cent.
就大部分第一次做的人而言，成功率是45%。
The timer must have been actuated by radio control.
这个定时器肯定是无线电操纵开动的。
having ePaper cent card, electronics timer and large electric cell mercury-vapor lamp.
装有电子报分牌、电子计时器及大型的电瓶水银灯。
Old-timers watched the stock-market crash with a distinct sense of déjà vu.
老居民带着似曾见过的感觉看着股市的倒闭
The examples of analyzing monostable multivibrator and astable multivibrator and Schmitt trigger based on 555 Timer by the method are also introduced.
文中给出了使用该方法分析由555定时器组成的单稳态触发器、多谐振荡器和施密特触发器等实例.
探索常用高频词汇