网络与数据通信 网络互联 释文 urgent, URG 紧急域
- side reaction
- side reaction coefficient
- side reaction coefficient of metal ion
- side-reaction coefficient of metal ion
- sidereal
- sidereal astronomy
- sidereal chronometer
- sidereal clock
- sidereal correlation
- sidereal day
- sidereal drive
- sidereal driving clock
- sidereal hour
- sidereal hour-angle
- sidereal midnight
- sidereal minute
- sidereal month
- sidereal noon
- sidereal period
- sidereal rate
- sidereal revolution
- sidereal second
- sidereal time
- sidereal universe
- sidereal year