在使用基于P8的分发器对象时，获取序列号的方法在本质上是一样的：读取旧值、更新并储存新值，然后将新值返回给调用方。
When using a P8-based dispenser object, the conceptual idea for getting a sequence number is the same: read the old value, update and store the new value, and return the new value to the caller.
本文讨论了用于实现序列号分发器的各种技术。
This article has covered a variety of techniques for implementing a sequence number dispenser.
国家新闻媒体报道，十号线的信号系统大约在下午两点十分发生故障，在事故发生前通过电话采用人工调度过。
State news media reported that the line's signal system failed around 2:10 p.m. and that supervisors were directing subway trains by telephone before the accident occurred.
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