机械计时器(mechanical timer),是指通过机械机构驱动计时元件,指示被测量累计时段或时刻的器件。
机械计时器的进展促使大部分人寻求更精确的日晷,以便校准机械计时器。
The development of mechanical timepieces spurred the search for abundance accurate sundials with which to regulate them.
内置计时器及机械循环计数器。
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.
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