文中详细介绍了钟机心（clock movement）的制造过程，文中提到制作一个钟机心（clock movement）耗时非常巨大，需要溶解大量黄铜，让后重新铸造黄铜（brass）。通过这些细节描述，说明了摆钟的制造对于工匠的技艺要求特别高。
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alarm clock movement 闹钟机芯
quartz clock movement 石英钟机芯
wall clock movement 挂钟机芯
quartz digital clock movement 数字式石英钟机芯
mechanical pendulum clock movement 机械摆钟机芯
mechanical alarm clock movement 机械闹钟机芯
architectural large quartz clock movement 建筑用石英大钟机芯
Drum connected with the clock-movement 与时钟机心连接的鼓轮
Projection Clock Movement 投影时钟机芯
It analyses it's characteristics and also directs and summarizes such designing of quartz crystal clock movement.
该方法对此类型石英钟机心的设计具有一定参考价值。
Depending on the switch position and the direction of current to the armature, the appropriate motor will either revolve clock-wise of counterclockwise to produce the desired seat movement.
根据开关的位置与流入电枢时电流的方向，电动机开始顺时针或逆时针旋转从而使座椅根据需要进行调整。
Overall the Lakers took far too many poor quality shots late in the shot clock often as a result of mediocre ball movement.
但由于球的运转不好，湖人经常在进攻时间快到的时候才仓促出手，投篮时机选择并不好。
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