影像信号可见程度的表征有()。
A.隐约可见
B.可见
C.清晰可见
D.以上都是
E.以上都不是
参考答案:D
It's the library! So you know shouting is not allowed here.[ ]
A. can
B. must
C. need
D. may
湿热泄泻的证候特征是:
A.沙参麦冬汤B.益胃汤C.左归丸D.补肝汤E.补肺汤