电子集中
参考答案：
近些年来，已经出现用电子电路实现联锁的电气集中，一般简称电子集中。
根据句意和首字母完成单词。
1.---How often do you watch TV?
------T__________ a week.
2 I drink milk e______ day.
3 They read English books three t______ a week.
4 ---What do they do on weekends?
-----They o_______ go to the movies.
5 --- What's your favorite p__________?
------It's Animal World.
6 ----How often do you shop?
----- I shop once a m________.
CT扫描中常用的FOV是指（）
A.矩阵大小
B.兴趣区
C.灰阶标尺
D.扫描野
E.激光胶片的分辨力
________?