retrospectiveadj.回顾的；追溯的；向后看的n.作品回顾展出retrospective creation of databases回溯建库retrospective database establishment回溯建库retrospective bibliographic database回溯建库retrospective bibliographic databases回溯书目数据库retrospective assessment of drug safety对药物安全回顾性评估retrospective method of premium calculation已缴保费计算法retrospective and prospective data collection回顾性和前瞻性数据收集retrospective electrocardiographically gating回顾性心电门控retrospective bibliographic database construction回溯建库retrospective bibliographical database establishment回溯建库