灌注计算机断层扫描（CT）是已用于评价肝脏疾病的一种无创性的检查手段，它利用显示血流动力学的变化来反映活体组织的变化。
Perfusion computed tomography (CT) is a noninvasive method showing hemodynamic changes in living tissue and has been used in the evaluation of liver diseases.
1968年1月19日，代号为完美（英文也是‘无断层’的意思）的热核试验在内华达中心扩充试验区进行。
On January 19, 1968, a thermonuclear test, codenamed Faultless, took place in the Central Nevada Supplemental Test Area.
应用推荐