论文部分内容阅读
成都－攀枝花ＳＤＨ示范工程通过初验１９９６年７月１１日至１９日，由四川省邮电管理局计划建设处、运行维护部、建设工程局、成都市电信局组成的验收测试组对以邮电部第五研究所和邮电工业总公司联合开发生产的ＳＤＨ设备建设的成攀示范工程进行了验收测试。测试组对６...
Chengdu - Panzhihua SDH demonstration project passed preliminary test July 11, 1996 to 19, by the Sichuan Provincial Post and Telecommunications Authority Planning and Construction Department, Operation and Maintenance Department, Construction Engineering Bureau, Chengdu Bureau of Communications acceptance test group to the Ministry of Posts and Telecommunications Fifth Institute and the Post and Telecommunications Corporation joint development and production of SDH equipment into the climbing demonstration projects were acceptance testing. Test group of 6 ...