[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f6AKgrb2RI6bIFMbnf5VEBetw0xRQ09JmZEpmNtD2ggw":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":21,"type":22},[],"2025-12-25 09:51:31",285639455,[8,9,10,11],"单双工","单工","半双工","双工",{"courseId":13,"courseImg":14,"courseName":15},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","按照通信方向控制方式的不同,移动通信可分为 、 和 三种工作方式",[18,23,32,41,49,54,59,69],{"answer":19,"createTime":5,"id":6,"options":20,"question":16,"source":21,"type":22},[],[8,9,10,11],"v1",1,{"answer":24,"createTime":5,"id":25,"options":26,"question":31,"source":21,"type":22},[],285639456,[27,28,29,30],"海上","空中","陆地","无线","依照设备的使用环境,,移动通信主要可分为 移动通信、 移动通信和 移动通信",{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":21,"type":22},[],285639457,[36,37,38,39],"基站(BS)","移动台(MS)","移动交换中心(MSC)","域名服务器(DNS)","蜂窝移动通信系统主要由 、 和 三部分组成",{"answer":42,"createTime":5,"id":43,"options":44,"question":47,"source":21,"type":48},[],285639458,[45,46],"正确","错误","蜂窝移动通信系统是当前应用较少的一种移动通信系统",3,{"answer":50,"createTime":5,"id":51,"options":52,"question":53,"source":21,"type":48},[],285639459,[45,46],"所谓移动通信,是指通信参与者中至少有一方能够在移动状态下进行信息传递的通信方式",{"answer":55,"createTime":5,"id":56,"options":57,"question":58,"source":21,"type":48},[],285639460,[45,46],"BTS是GSM-R系统网络中固定部分与无线部分之间的中继",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":21,"type":68},[],285639461,[63,64,65,66],"无线子系统","移动智能网子系统","铁路无线列调通信系统","移动交换子系统","下面哪一个不属于GSM-R系统主要组成",0,{"answer":70,"createTime":5,"id":71,"options":72,"question":77,"source":21,"type":68},[],285639462,[73,74,75,76],"OSS","SSS","BSS","GPRS","无线子系统缩写是"]