这简化了集群内的连通，我们可以通过组或者实例名来定位集群、套接字和消息通道。

This simplifies connectivity within the cluster, the cluster, socket, and message channels are simply addressed by the group or instance name.

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阿富汗南部一所监狱中超过470名囚犯通过一条数百米长的，通向外部的通道逃出监狱。

More than 470 inmates at a prison in southern Afghanistan have escaped through a tunnel hundreds of metres long and dug from outside the jail.

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研究中全部25名患者均服用钙通道阻滞剂，其中18名同时服用其它血管扩张剂。

Of the 25 patients studied, all were receiving calcium channel blockers and 18 were also taking other vasodilators.

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