CR与普通X线成像比较其优点,叙述错误的是()。
A.提高了图像密度分辨率
B.提高了图像显示能力
C.降低X线曝光量
D.提高了图像空间分辨率
E.曝光宽容度增加
参考答案:D
配附子回阳救逆力强,温中散寒效佳,治亡阳欲脱,及中虚寒盛之证()
A.人参
B.高良姜
C.甘草
D.当归
E.干姜
Computer is a complex consisting of two or more connected computing units,it is used for the purpose of data communication and resource sharing.
A.storage
B.device
C.network
D.processor