不同波至间的时间间隔取决于从震中到观测站之间的距离。
The time intervals between different arrivals depends on the distance from the earthquake hypocenter to the observing station.
在某些情况下，这些波至的残余会叠加在一起给出近于水平的同相轴。
In some cases residuals from these arrivals will stack up to give nearly horizontal alignments.
这个循环会不断重复，并随着单断和重整连接以发出边界网关协议更新信息波至互联网的每一台路由器。
This cycle would repeat, with the single breaking and reforming link sending out waves of BGP updates to every router on the Internet.
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