人体皮肤和皮下组织的动脉供血模式主要有
A.神经干的营养动脉
B.间接皮肤血管
C.肌间隔穿动脉
D.肌皮动脉的穿支
E.浅静脉周围的动脉及动脉网
参考答案:A,C,D
Zhang Feng is a League member . He the League since 3 years ago.
A. joined B joined in C .has been in D .has joined in
爱国者导弹天线由若干组模块构成其中一组为主天线,问由多少个收发模块构成主天线的圆形阵列()
A.3052
B.4562
C.5161
D.7264