

        (2)

2020-03-02 10:42
  56
  0
      
       
          

  

 / U7r[gdV[: /          Wide Area
                     Network   WAN 
                        广域网 外网公网 
          Wide Area Network                            
 



 / h[s[gdV[: /          Local Area
                     Network   LAN 
                        局域网
          Local Area Network                                                        

 / hCtdVC: /          Metropolitan
                     Area Network   MAN 
                        城域网
          Metropolitan Area Network                                              




 / sU:j[: /          network    
                         网络 
             network    net + work         net          work          network           




 / d[lheIj[: /          internet 
                       
                  (国际)互联网因特网 
        internet    inter + net         inter               international                        net            internet                     
       
 / d[lg[rdV[: /          World
                     Wide Web   WWW Web
                     3W 
                        万维网 
          World Wide Web         客户机  Client       服务器  Server                     




      
       
          

 2019   2   28-29     



  
     
     