A.曝光頻率低B.曝光脈寬窄C.減影圖像多D.適用于心臟E.圖像噪聲較多
A.X線照射-產(chǎn)生可見光-轉(zhuǎn)換為電信號(hào)-數(shù)字化輸出B.X線照射-產(chǎn)生可見光-數(shù)字化輸出-轉(zhuǎn)換為電信號(hào)C.X線照射-轉(zhuǎn)換為電信號(hào)-產(chǎn)生可見光-數(shù)字化輸出D.X線照射-轉(zhuǎn)換為電信號(hào)-數(shù)字化輸出-產(chǎn)生可見光E.X線照射-數(shù)字化輸出-產(chǎn)生可見光-轉(zhuǎn)換為電信號(hào)
A.床移動(dòng)速度越快B.切層越厚C.圖像質(zhì)量越好D.掃描時(shí)間越短E.病灶檢出率越低