beam attenuation

短语词组

短語

• broad beam attenuation 寬束的衰減;寬束衰減
• beam attenuation coefficient 光束衰減系數
• 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 射束衰減網格
• attenuation beam 束流衰減
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