短語詞組短語frequency alias assignment subcommittee 頻率分配小組委員會(huì)frequency y assignment 頻率分配frequency alias assignment 頻率分配frequency alias assignment chart 頻率分配表international frequency assignment plan 國(guó)際頻率分配計(jì)劃up path frequency assignment 上行線路頻率分配band frequency assignment 帶內(nèi)頻率分配carrier frequency assignment 載波頻率分配;載頻指配fixed frequency assignment 固定頻率分配 返回 frequency assignment