光频: optical frequency; light fre ...标准: standard; criterion; benchma ...视频标准: video standards可变低频标准: variable low frequency standard噪声控频标准: criteria for noise control cross频标: frequency scale数字声频标准化: digital audio standardized光频: optical frequency; light frequency◇光频变换器 optical frequency converter射频标准信号发生器: radio frequency standard signal generator; rf standard signal generator莲花插头及座(一种音频标准连接端): rca实验室用高频标准信号发生器: high-frequency laboratory standard signal generator实验室制定的一个音频标准: dolby铯频标: caesium frequency standard光频带: optical bandwidth光频段: optical frequencies光频率: light freqency; light frequency; optical frequency光频图: spectrogram光频移: optical frequency shift; optical frequency shit光频支: optical branch; optical frequncy branch; otical branch亚光频: suboptical frequency准光频: quasi-optical frequencies低频标记: lfm low frequency marker频标发生器: mark generator频标振荡器: frequency-marker oscillator射频标签: rf tag; rfid tag
