beam attenuation

短语词组

短语

• broad beam attenuation 宽束的衰减;宽束衰减
• beam attenuation coefficient 光束衰减系数
• primary beam attenuation 主束衰减
• narrow -beam attenuation 细衰减;窄束衰减;窄束减弱
• broad d beam attenuation 宽束的衰减
• beam attenuation grid 射束衰减网格
• attenuation beam 束流衰减
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