emission vacuum spectroscopy
发真空谱学

• freezing point
• fremodyne
• freon
• frepuency-sensitive signal
• frequceny analysis
• frequecny demultiplier
• frequecny-dencoded focused image hologram
• frequecny deviation
• frequecny divison multiplexing
• frequecny domain analysis
• frequencfy-dependent behavior
• frequency
• frequency band
• frequency changer
• frequency characteristic
• frequency-controlled laser
• frequency conversion effect
• frequency converter
• frequency demodulation
• frequency-dependent delectric constant
• frequency deviation mether
• frequency discriminating optical chopper
• frequency discriminator
• frequency-division multiplex
• frequency domain