Friday, September 16, 2022
问题:静电在一定条件下形成很高的电压,但其总电量不大,能量也不大,所以...
Wednesday, September 14, 2022
Saturday, September 17, 2022
Saturday, September 17, 2022
Sunday, September 11, 2022
Saturday, September 17, 2022
问题:光收信机是实现()转换的光端机,将光纤或光缆传输来的光信号,经(...
Saturday, September 17, 2022
问题:NodeB8300,FS面板中SCS常亮表示()...
Thursday, September 15, 2022
Friday, September 16, 2022
问题:IUB口对接过程完成了传输对接后,还需要配置IUB口局向数据和小...
Friday, September 16, 2022
Saturday, September 17, 2022
问题:下列不属于故障处理反馈工单时的必须填写的内容的是...
Saturday, September 17, 2022
问题:对于G.652光纤,1550nm工作波长窗口的色散系数为20ps...
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:SDH采用同步复用方式和灵活的复用映射结构,只需利用()即可使高...
Wednesday, September 14, 2022
问题:大光明DJ-03C型基站外部监控设备的水浸告警在传感器离水后就能...
Friday, September 16, 2022
问题:换艾默生开关电源系统的交流采样板时,必须将()断掉。...
Friday, September 16, 2022
Saturday, September 17, 2022
问题:网络调整后,不可以通过哪种方式对PTN设备的配置信息进行采集?...
Wednesday, September 14, 2022
Saturday, September 17, 2022