The quartz watch keeps good time.
石英表走时准。
The quartz clock keeps very good time.
石英表走得很准。
The quartz clock keeps very good time.
石英钟走得很准。
Quartz crystal resonators are devices that supply standard time base.
石英晶体谐振器是一种提供基准时基的器件。
Nowadays, most people prefer quartz watches because they are more convenient and keep good time.
如今，大多数人选购石英表，因为它们比较方便，而且走时准确。
Nowadays, most people prefer quartz watches because they are more convenient and keep good time.
如今，大多数人选购石英表，因为它们比较方便，而且走时准确。
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