短語詞組短語digital spectrum analyzer 數(shù)字光譜分析器dynamic spectrum analyzer [物]動態(tài)頻譜分析器panoramic spectrum analyzer [電子]全景頻譜分析儀radio spectrum analyzer 射電頻譜儀multichannel spectrum analyzer 多道能譜分析器pulse -spectrum analyzer 脈沖頻譜分析器spectrum analyzer ioaosa 頻譜分析器Automatic spectrum analyzer [儀]自動頻譜分析儀frequency measuring spectrum analyzer 頻譜測量分析器 返回 spectrum analyzer