单词ccta
网络: Central Computing and Telecommunications Agency; 中国交通运输协会(China Communications and Transportation Association); 电信局
Conclusions: Median doses of CCTA differ substantially between study sites and CT systems.
结论：CCTA辐射剂量的中位数在不同网点和CT系统之间存在很大差异。
Central Computer and Telecommunications Agency, CCTA
是由英国政府的中央计算机与电信局