数据库共享内存：这是数据库全局内存，是在激活数据库或者第一次连接到数据库时分配的。
Database Shared memory: This refers to the database global memory, which is allocated when the database is activated or connected to for the first time.
在交换系统中，同一或不同交换网络的引入线和引出线之间的连接部分或电路。又称局内中继线。
Within a switching system, a connection or circuit between inlets and outlets of the same or different switching networks. An intraoffice trunk.
在交换系统中，同一或不同交换网络的引入线和引出线之间的连接部分或电路。又称局内中继线。
Within a switching system, a connection or circuit between inlets and outlets of the same or different switching networks. An intraoffice trunk.
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