ATRP原子转移自由基聚合atprep.在；向；达n.基普(老挝货币基本单位)(=att)；[化]砹(极不稳定放射性元素)abbr.密封的(=airtight)abbr.气温(=air temperature)At the back of sth.作为某事的主使者atterberg limits test界限含水量试验At xx days after date出票后若干天付款attxact foreign funds招商引资Athroquinone compound蒽醌Attributable fraction归因分值atructural difference结构差异atrioventricular node房室结,阿孝夫氏结,郭霍氏结,房室结节Atraphaxis manshurican.东北木蓼Attributive Surrogate归属代理