LTE下行质量反馈信息共有（）种。 ["1","3","16","29"]
从十一世纪开始，西欧的学校教育逐渐从修道院中分离出来，开始建立大学，这些大学有（） ["巴黎大学","牛津大学","剑桥大学","波伦亚大学"]
LTE切换中，eNB包括以下（）切换。 ["基于无线质量的切换","基于无线接入技术覆盖的切换","基于负载情况的切换","基于调度算法的切换"]
Lifeboat winches on a ship are required to be inspected and an entry made in the logbook. What should this entry include? （） ["The time required to lower a lifeboat","The time required to raise a lifeboat","The date of inspection and condition of the winch","All of the above"]
要保证和提高建筑安装工程的质量，要把质量看作是机电安装工程项目的生命，因此（）是建筑安装工程项目管理中的重中之重。 ["进度管理","合同管理","质量管理","施工管理"]
传输综合网管整体上可分为哪三层？
