片语
frequency alias assignment subcommittee频率分配小组委员会
up path frequency assignment上行线路频率分配
frequency alias assignment chart频率分配表
frequency y assignment频率分配
international frequency assignment plan国际频率分配计划
frequency alias assignment频率分配
fixed frequency assignment固定频率分配
band frequency assignment带内频率分配
carrier frequency assignment载波频率分配