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1)  large quartz clock
巨型石英钟
1.
The circuit diagram and the partial program flowing chart of large quartz clock controled with single-microcomputer and real-time IC MC146818 are given.
给出了一种利用单片微机8031和集成实时时钟芯片MC146818控制的巨型石英钟的电路结构图以及部分程序流图。
2)  quartz clock
石英钟
1.
According to the characteristics of the quartz clock gears, the choice of the runner and gate of the mould for the quartz clock gears, the cavity arrangement, the structures of the mould and its cavity, the ejection-reset mechanism and the cooling system are introduced and the problems needing attention are pointed out.
根据石英钟齿轮的特点,介绍了石英钟齿轮模具流道与浇口的选择、型腔排布、模具及型腔结构、顶出复位机构及冷却系统,并指出了应注意的问题。
3)  quartz type master clock
石英母钟
4)  quartz alarm clock
石英闹钟
5)  quartz wall clock
石英挂钟
6)  quartz-crystal electric clock
石英电钟
补充资料:石英钟
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