beam attenuation
短語詞組
- broad beam attenuation 寬束的衰減;寬束衰減
- beam attenuation coefficient 光束衰減系數(shù)
- primary beam attenuation 主束衰減
- narrow -beam attenuation 細衰減;窄束衰減;窄束減弱
- broad d beam attenuation 寬束的衰減
- beam attenuation grid 射束衰減網(wǎng)格
- attenuation beam 束流衰減 返回 beam attenuation