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概述了中枢神经系统（ＣＮＳ）受体显像剂的应用及其基本特性，并着重介绍了近年来关于９９Ｔｃｍ标记ＣＮＳ受体显像剂的研究方法与进展情况。
The application and basic characteristics of central nervous system (CNS) receptor imaging agent are summarized. The research methods and progress of 99Tcm labeled CNS receptor imaging agent in recent years are also introduced.