凭藉其倒数计时器和秒表它是一个完美的配件为任何竞争的运动员。
With its stopwatch and countdown timer it is the perfect accessory for any competitive athlete.
像在此前后的大多数孩子一样。他痴迷于探查计时器的工作方式及观察棘轮，车轮，弹簧和钟摆的运动。
Like most children before and since, he became fascinated by peering into the workings of a timepiece and watching the movement of ratchets and wheels, springs and pendulums.
用废弃的输液器制作了简易的“打点计时器”，可以在课堂上分析、判断直线运动以及研究机械振动。
A simple ticker-timer, which can be used to study the straight line motion and the mechanical vibration, is made using transfusion set.
天线运动参数如天线扇扫范围、天线扇扫速度、天线环扫速度等参数的测量通常采用手动计时器测量。
The measurement of antenna motion parameters, such as antenna sector scan Angle, sector scan speed, circle scan speed etc.
在匀变速直线运动的实验中，利用PC机的串行接口来记录运动小车通过测量点的时刻值，以此代替打点计时器计时。
In an uniformly accelerated motion experiment, the moment of a cart passing through the measuring point is recorded by PC's serial interface instead of pointing timer.
在匀变速直线运动的实验中，利用PC机的串行接口来记录运动小车通过测量点的时刻值，以此代替打点计时器计时。
In an uniformly accelerated motion experiment, the moment of a cart passing through the measuring point is recorded by PC's serial interface instead of pointing timer.
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