网络与数据通信 有线网络 释文 data service unit/channel service unit, DSU/CSU 数据服务单元/通道服务单元
- Raman Nath effect
- Raman-Nath effect
- Raman optical amplifier
- Raman scattering
- Raman scattering lidar
- raman scattering spectrometry for pharmaceutical analysis
- Raman scattering spectroscopy
- Raman scattering thermometry
- Raman shift
- Raman-shifted laser
- Raman, Sir Chandrasekhara Venkata
- Raman spectra
- Raman spectral calculation
- Raman spectrometer
- Raman Spectroscopy
- Raman spectroscopy
- Raman spectrum
- raman spectrum
- raman time domain reflectometer
- Ramanuja
- Ramanujan
- Ramanujan 6-10-8 identity
- Ramanujan chi-function
- Ramanujan conjecture
- Ramanujan constant