空间分辨率又称为() A.空间响应函数 B.对比分辨率 C.调制传递函数 D.点分布

题型:单项选择题

问题:

空间分辨率又称为()

A.空间响应函数

B.对比分辨率

C.调制传递函数

D.点分布函数

E.高对比度分辨率

考点:放射医学技术(医学高级)CTCT题库
题型:单项选择题

蛇头疔的疼痛特点是()

A.阵发痛

B.持续痛

C.烧灼痛

D.胀裂痛

E.鸡啄样痛

题型:单项选择题

短文填词。

     A couple of months ago, I asked to go to Wuxi. With my parents' 1.________ (许可), I went there by bus

and visited lots of beautiful parks. 2.________ impressed me most was the visit to the Taihu Lake. Never

3. ________ I seen such a large lake in my life. I boated on the lake and walked 4. t ________ the parks along

the shore. The air 5. ________ so fresh, the flowers were so charming and the stone were so beautiful. I

6. ________ (爬) the high HuiHills. Each step I took brought me 7. c________ to the top of the hill. What

beautiful sights and waters! I was 8. ________ (吃惊) to see wild geese playing  joyfully 9. a________ the

waters of the Wuhu Lake. I enjoyed my trip 10. ________ much that I even didn't want to leave when my

holiday ended.

题型:单项选择题

()标志着人类文明时代开始。

A.一夫多妻制

B.群婚制

C.对偶婚

D.一夫一妻制

题型:单项选择题

在WINDOWS 2000K中,下列不属于文件或文件夹属性的是 ( )

A.只读

B.隐藏

C.系统

D.文档

题型:单项选择题

抽油杆柱和油管柱在工作过程中因承受着()而发生弹性伸缩,使柱塞冲程小于光杆冲程,所以减小了柱塞让出的体积。

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