LTE中S1承载是建立在哪两个网元之间?() ["建立在UE和P-GW之间","建立在UE和S-GW之间","建立在UE和eNB之间","建立在eNB和S-GW之间"]
以下不属于儒家的三不朽的是()? ["A、立德","B、立功","C、立言","D、立行"]
设备运行维护单位对设备检修工作负何种责任?
南京地铁十号线车门是()门。 ["内藏式气","塞拉式气","内藏式电","塞拉式电"]
任务调度支持哪种动态组件脚本() ["A、groovy","B、ruby","C、perl","D、python"]
设备检修工作由谁向总调报送申请?