更多"DR与CR相比"的相关试题:
[单项选择]与CR相比DR的优势是
A. 数字图像
B. 激光打印
C. 网络传输
D. 图像后处理
E. 直接数字成像
[单项选择]DR与CR比较所具有的优势，错误的是
A. 图像清晰度高
B. 噪声源少
C. 拍片速度快
D. X线转换效率低，射线剂量大
E. 探测器的寿命长
[单项选择]CR与DR系统应用比较，相同点是
A. 成像方式
B. 操作方式
C. 床旁摄影
D. 应用于常规X线摄影
E. 与常规X线设备匹配
[单项选择]CR的缺点
A. 常规x线摄影数字化
B. 图像的密度分辨力
C. X线的辐射量
D. 实现X线住处数字化储存、再现及传输
E. 时间、空间分辨力
[单项选择]In the particular case, Dr. Kurzban and Dr. Houser_______.
A. picked out four people to conduct a public-goods game
B. sold each player many tokens at a very high price
C. asked the players to make all of their values increase
D. believed the behavior of those persons to be quite honest
[单项选择]如果在立即窗口中执行以下操作(＜CR＞是回车键)： a=8 ＜CR＞ b=9 ＜CR＞ print a＞b＜CR＞ 则输出结果是 ______。
A. -1
B. 0
C. False
D. True
[单项选择]如果在立即窗口中执行以下操作(＜CR＞是回车键)： a=8 ＜CR＞ b=9 ＜CR＞ print a＞b＜CR＞ 则输出结果是 ______。
A. -1
B. 0
C. False
D. True
[单项选择]The study of Dr. Ruth Mace and Dr. Rebecca Sear shows that a child% growth may be affected ______.
A. by the absence of the mother
B. by the negligence of the father
C. by the death of the grandmother
D. by the death of the grandfather
[单项选择]The author's attitude towards Dr. Just and Dr. Minshew's work can be described as______.
A. enthusiastic support
B. absolute neutrality
C. slight suspicion
D. moderate approval
[单项选择]The paper by Dr. Just and Dr. Minshew is meant to examine ______.
[单项选择]如果在“立即”窗口中执行以下操作： a=8＜CR＞(＜CR＞是回车键，下同) b=9＜CR＞ Print a＜b＜CR＞ 则输出的结果是 ______。
A. 1
B. 0
C. False
D. True
[单项选择]We can infer from Dr Myers and Dr. Worm's paper that ______.
A. the stock of large predators in some old fisheries has reduced by 90%
B. there are only half as many fisheries as there were 15 years ago
C. the catch sizes in new fisheries are only 20% of the original amount
D. the number of larger predators dropped faster in new fisheries than in the old
