理学 局域网 释 Ethernet 以太网 一种在逻辑上采用总线型拓扑，并基于载波侦听多路访问/冲突检测（carrier sense multiple access/collision detection，CSMA/CD）协议的局域网技术。
网络与数据通信 有线网络 释文 Ethernet 以太网
- freely rotating chain model
- free magnetic charge
- Freeman's bar
- free margin
- Free Marriage
- freemartinism
- free maximum
- free minimum
- free mobility
- free model
- free module
- free-molecule diffusion
- free-molecule flow regime
- free monoid
- free motion
- free motion of nonholonomic system
- free Motzkin path
- free nerve ending
- freeness
- free neutron
- free neutron decay
- free node
- free non-Abelian group
- free nuclear stage
- free nuclei