查询词典 class frequency

low frequency furnace：低频感应电炉,低频炉

low-frequency filter 低频滤波器 | low-frequency furnace 低频感应电炉,低频炉 | low-frequency gain 低频增益

two-frequency dialling：双频拨号

two-frequency channel ==> 双频率通路 | two-frequency dialling ==> 双频拨号 | two-frequency duplex ==> 双频双工制

Radio-frequency and Pulse Sheaths：射频及脉冲偏压鞘层

阅读器、应答器、射频卡:Reader Transponder Radio frequency (RF) card | 射频及脉冲偏压鞘层:Radio-frequency and Pulse Sheaths | 射频等离子体鞘层:radio-frequency plasma sheath

frequency band, amateur：业余波段

频带 frequency band | 业余波段 frequency band, amateur | 指配频带 frequency band, assigned

audio-frequency spectrometer：声频频谱仪

2048. audio frequency amplifier ==> 音频放大器 | 2049. audio frequency current ==> 声频电流 | 2050. audio frequency spectrometer ==> 声频频谱仪

audio-frequency noise：音频嗓声

audio-frequency choke 音频扼流圈 | audio-frequency noise 音频嗓声 | audio-frequency oscillator 音频振荡器

audio-frequency noise：音频噪声,声频噪声

audio-frequency meter ==> 音频频率计 | audio-frequency noise ==> 音频噪声,声频噪声 | audio frequency oscillator ==> 音频振荡器

audio-frequency noise：声频噪声

audio frequency generator 音频发生器 AFG | audio frequency noise 声频噪声 | audio frequency oscillator 声频振荡器

audio-frequency apparatus：音频设备

audio-frequency amplifier 音频放大器 | audio-frequency apparatus 音频设备 | audio-frequency power amplifier 音频功率放大器

audio-frequency apparatus：声频设备,音频设备

声频放大器,音频放大器 audio frequency amplifier | 声频设备,音频设备 audio frequency apparatus | 音频带,声频带 audio frequency band

Bob Allcock, Solicitor General：法律政策专员区义国

船民 boat people | 法律政策专员区义国 Bob Allcock, Solicitor General | 菩提树 bodhi tree

herb：草药

大约在公元10世纪左右,通过喜好航海的荷兰人,波兰人开始认识茶叶. 但是,由于饮茶有明显的治疗某种疾病的效果,波兰人把"茶"同草药联系在一起. 于是出现了与草药(herb)相联系的"茶"字(herbata),既不接近于英文的"tea",也与俄语中的"chaj"相去甚远.