When an accelerator is used to treat tumour of illness, the distribution of doses is changed by commonly inserting a wedge into the path of radial beam.
利用加速器治疗肿瘤时，通常要在射线束的路径上加入楔形板以改变平野的剂量分布。
2
Through simulation of the 2-roll cross wedge rolling (CWR), the temperature and strain fields, and the distribution of grain size and so on, were obtained.