SRDn.保密资料(双倍右移；飞船天空部)Srabbr.[化]元素锶(strontium)的符号SR-OB reactor SR-OB堆srew-idempotent matrix斜幂等阵SRS pedicel screw system腰椎滑脱复位系统SRR social rate of return社会收益率SRBC sheep red blood cell绵羊红细胞SRD The SRD of drag-fans拖动风机的Sr-isotopic stratigraphy西藏srvice transaction program服务事务处理程序Sr-and Mg-doped gallate锶镁掺杂的镓酸镧Sr-type mineral water zone锶型矿泉水带