单词	directional--cooling
释义	cooling， directional定向冷却
随便看	frequency hopping; fh frequency hopping modulation frequency hopping multiple access frequency hopping multiple access{=fhma} frequency hopping multiple access，fhma frequency hopping spread spectrum frequency hopping spread spectrum modulation frequency hopping system frequency hopping time hopping frequency hopping time hopping--fh/th frequency hopping time hopping，fh/th frequency hop rate frequency hop sequence frequency hysteresis frequency idler frequency impairment frequency-independent antenna frequency index frequency-indicating device frequency indication frequency indicator frequency instability frequency interference frequency interference control frequency interference control，fic