网络与数据通信 网络管理与安全 释文 message authentication code, MAC 报文认证码
- Hayashi Razan
- Hayashi Tauyoshi
- Hayashi theorem
- Hayashi track
- Hayashi Tsuruichi
- Hayashi Tsuruichi (1873—1935)
- hay bale
- Hay bridge
- hay crushing machine
- Hayden White
- Haydn，Franz Joseph
- Hayes-Tilden Compromise
- Hayflick life span
- Hayflick limit
- Hayford ellipsoid
- hay grade
- Hay-Herrán Treaty
- haylage
- hay making
- Hayman
- Haymarket Massacre
- hay meal processing machinery
- Hayn crater
- haynesville shale gas play
- Hay-Pauncefote Treaty