摘要
本文综述了国际、国内核保障技术研究的现状和进展，以及核保障技术研究的主要内容和发展趋势．
The current state and progress on nuclear safesuards technology research are described. The main content and development trend are also described.
关键词
核材料
核查
核安全保障
nuclear safeguards, non-destructive assay, destructive assay, safeguards system,physical protection, inspection.
