将共享介质方式改为交换方式后,便出现了( )和( )两类局域网。
参考答案:共享式局域网(Shared LAN) 交换式局域网(Switched LAN)
Qingdao is _______ most beautiful coastal city and I think I’ll go there for _______ second time.
A.a;a
B.the; a
C.the; the
D.the; a
两闸瓦托中心至支柱中心距离差段修限度不大于()。
A.3mm
B.5mm
C.10mm
D.15mm