本文件规定了在外部高能X射线束放射治疗中，RPLD用于剂量测定审核时的剂量评估方法。 本版本不包括立体定向放射治疗的电子束和X射线束、近距离放射治疗的伽马射线的剂量学。 本文件阐述了RPLD的处理、测量方法、测量值与剂量的转换、必要的校正系数，以及RPLD系统（包括阅读器）的性能要求。

This document specifies the dose assessment method when an RPLD is used for dosimetry audit in external high-energy X-ray beam radiotherapy. The dosimetry for electron beams and X-ray beams of stereotactic radiotherapy, gamma？ray of brachytherapy is not included in this version. This document addresses RPLD handling, measurement method, conversion of measured value to dose, necessary correction coefficient, and the performance requirements for RPLD systems, including the reader.