网络与数据通信 网络互联 释文 protocol independent multicast-sparse mode, PIM-SM 稀疏模式协议无关多播
- serving subgroup
- Serving Tea by Tang Yin
- Servites
- Servius Tullius’ Reforms
- servo
- servo actuator
- servo amplifier
- servo control
- servo controller
- servo control receiver
- servo-control system
- servo-drive
- servodrive
- servodyne
- servoelement
- Servofrax
- servo head
- servointegrator
- Servois
- Servois formula
- servomagnet
- servomanometer
- servomechanism
- servo motor
- servomotor