The uCT 780 Beidou CT of United Image Medical is the first domestic ultra-high-end 640-slice CT. uCT 780 Beidou CT is equipped with a 320-row wide-body "time detector" which can realize a single-ring axial scan of 16cm coverage, combined with an ultra-high rotational speed of 0.25 seconds, to obtain full coverage, ultra-high time detector within a single-ring acquisition time. "It can achieve a coverage of 16cm with a single-turn axial sweep, and combined with an ultra-high rotational speed of 0.25 seconds, it can obtain full coverage, ultra-high temporal resolution, high-resolution, high-contrast, and low-dose coronary artery images within a single-turn acquisition time.