A.16:9
B.13:11
C.7:4
D.4:3
[单选题]A.L>5DB.L>7DC.L>8DD.L>10D
[单选题]A.16:9B.13:11C.7:4D.4:3
[单选题]A.脑震荡B.脑挫裂伤C.脑出血D.轴索损伤E.脑白质出血
[多选题]A.可呈息肉状B.可呈结节状C.可呈膨胀性生长D.可形成导管、小叶结构E.可有纤维性包膜
[单选题]A.B.2C.D.E.
[单选题]A.B.C.D.