are briefly provided. It is suggested that a principle is used in selecting source terms for establishing the emergency planning policy and a method is used in determining the Emergency Planning Zone (EPZ) size in China.

• 提出了我国在制定应急计划政策时考虑事故源项的原则和我国用源项建立应急计划区大小方法的意见,根据我国在建核电厂应急计划区大小的研究以及选用的源项和核电厂功率对应急计划区大小的影响的研究结果,说明提出的原则和意见在我国是否可行。