You can either broadcast a standard request or send personalized requests separately.
你可以群发同一条请求，或者针对不同读者分别发送请求。
The time base was given both by a crystal clock and the broadcast standard signals.
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.
时间标准是由石英钟和广播标准信号提供的。
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