您要查找的是不是：
- RFID射频卡RFlD RF cards
- 射频（RFID）RFID
- 交界性心律在射频消融治疗房室结折返性心动过速中的临床意义Clinical Significance of Junctional Rhythm during Slow Pathway Catheter Ablation for Atrioventricular Nodal Reentrant Tachycardia
- 射频识别（RFID）RFID
- 射频识别radio frequency identification
- 射频信号radio-frequency signal
- RFID（射频识别）RFID
- 射频波谱学radio-frequency spectroscopy
- 射频干扰radio interference
- 射频放大radio frequency amplification
- 射频包络Instantaneous Bandwidth
- 微波和射频波谱学microwave and radio frequency spectroscopy
- 射频和微波波谱学radio and microwave spectroscopy
- 射频微机械移相器Development of RF MEMS Phase Shifter
- 射频泄漏R.F. leakage
- 射频线radio frequency line
- 超射频ultra radio frequency
- 双射频dual RF
- 低射频low radio frequency
- 射频波rf wave
