OBJECTIVE: to investigate organs motion during radiotherapy using electronic portal image device (EPID) so that to automatically inspect on the treatment region.
目的：用电子射野影像装置研究放射治疗过程中的器官运动，以便对治疗部位进行自动监测。
OBJECTIVE: to investigate organs motion during radiotherapy using electronic portal image device (EPID) so that to automatically inspect on the treatment region.
目的：用电子射野影像装置研究放射治疗过程中的器官运动，以便对治疗部位进行自动监测。
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