A.变大
B.变小
C.不变
D.不确定
[单选题]A.嵴B.窝C.沟D.点隙E.舌面隆凸
[单选题]A.4B.3C.2D.1
[单选题]A.B.C.D.
[单选题]A.移行椎B.阻滞椎C.脊椎侧弯D.半椎畸形E.蝴蝶椎畸形
[单选题]A.血气胸B.气胸C.胸腔积液D.肺气肿E.肺挫伤
[单选题]A.Z=(jωL+r)ΩB.Z=(ωL-jr)ΩC.y=jωL-rD.