多选题Relay具备哪些典型特征？A支持无线回传B分为带内和带外两种C无需安装GPSD支持载波聚合
多选题
Relay具备哪些典型特征？
A
支持无线回传
B
分为带内和带外两种
C
无需安装GPS
D
支持载波聚合
参考解析
解析：
暂无解析
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