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１引言强度可调的适形放射治疗（Ｉｎｔｅｎｓｉｔｙｍｏｄｕｌａｔｅｄｒａｄｉａｔｉｏｎｔｈｅｒａｐｙ简称ＩＭＲＴ）是近期发展的一种先进的体外三维立体照射技术，它的理论基础如图１所示：通过照射野（ＴｒｅａｔｍｅｎｔＦｉｅｌｄ，又称治疗野）的射束剂量调节使...
1 INTRODUCTION Intensity modulated radiation therapy (Intensity modulated radiation therapy for short IMRT) is an advanced in vitro development of an advanced three-dimensional radiation technology in vitro, its theoretical basis shown in Figure 1: through the radiation field (TreatmentField, also known as therapeutic field) Beam dose adjustment so that ...