核材料控制 meaning in English

nuclear material control

Nondestructive assay ( nda ) techniques have become powerful tools for quantitative determination of special nuclear materials ( snm ) , and played an important role in nuclear material control and accounting ( mc & a ) , also in inspection of nuclear safeguards
无损分析( nda ： nondestructiveassay )技术已经成为定量分析特种核材料( snm ： specialnuclearmaterials )的重要工具，它在核材料控制与衡算( mc & a )方面以及在核保障核查工作中起着重要作用。