【求助】IEEE802.3－应助

IEEE Std 802.3 2000 Edition 1-14章
IEEE Std 802.3 2000 Edition
IEEE Standard for Information technology -
Telecommunications and information exchange between systems -
Local and metropolitan area networks -
Specific requirements
Part 3:Carrier sense multiple access with collision detection(SCMA/CD)
access method and physical layer specifications
文件太大，就发一小部分吧。