CT探测器阵列中的探测器间隔越大,那么()
A.余辉越长
B.病人辐射剂量越大
C.图像重建时间越长
D.探测器的相应时间越长
E.数据采集系统的处理时间越长
参考答案:B
用括号内所给单词的适当形式填空。
1. Have you _____ (do) anything to keep the water clean?
2. Project Hope has built schools and _____ (library).
3. Our city _____ _____ (change) a lot since 2001.
4. The girl left the classroom without _____ (say) anything.
5. All of us want to know how _____ _____ (play) computer games.
神权法思想在西周的变化及意义