| 释义 |
central office
中央局,中心站;交换机
1.In the U.S.A., the place where communication common carries terminate customer lines and locate the equipment that interconnects those lines.
在美国,公用通信公司端接用户线路和设置互连这些线路设备的场所。
2.A switching system that connects lines to lines and trunks to trunks.
线路与线路之间和干线与干线之间进行连接的交换系统。 |