请寄给我们贵方的石英钟价目单。

Please send us your price list of quartz clocks.

youdao

时间标准是由石英钟和广播标准信号提供的。

The time base was given both by a crystal clock and the broadcast standard signals.

youdao

石英钟走得很准。

The quartz clock keeps very good time.

youdao

石英钟走得很准。

The quartz clock keeps very good time.

youdao