医用电子直线加速器是指利用微波电磁场加速电子并且具有直线运动轨道的加速装置，用于患者肿瘤或其他病灶放射治疗的一种医疗器械。它能产生高能X射线和电子线，具有剂量率高，照射时间短，照射野大，剂量均匀性和稳定性好，以及半影区小等特点。
介绍了医用电子直线加速器波导系统的一种腐蚀情况。
A sort of corrosion phenomenon in the wave-guide system of a medical electron linear accelerator is described.
对医用电子直线加速器房周围环境辐射水平进行了监测。
The monitoring results of the environmental radiation levels around medical electron linear accelerator buildings and problems associated with them are described.
文章介绍了NDZ-20医用电子直线加速器的束流注入系统的结构和特性。
The structure and characteristic of an injector system of a NDZ-20 medicalelectron linear accelerator are described.
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