... primary ion beam 一次离子束 primary electron beam 原始电子束 primary cesium beam frequency standard 原级铯射束频率标准 ...
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The simulation results for a pin point electron beam show that a good resolution corresponds to lower values of primary energy, detection energy Windows and detection Angle.
点源模型的模拟结果显示小的入射能量、探测能量窗口及探测角值对应较好的分辨率。
Objective To investigate the value of electron beam CT (EBCT) in diagnosing nonmyxomatous primary cardiac and pericardial neoplasms.
目的探讨原发性非黏液瘤性心脏心包肿瘤的EBCT特征，评价EBCT在心脏肿瘤诊断中的价值。
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