网络与数据通信 无线网络 释文 synchronous connection-oriented link, SCO 同步的面向连接的链路
- environmental public service
- environmental quality
- environmental quality assessment
- Environmental quality criteria
- environmental quality degree
- environmental quality index
- environmental quality map
- environmental quality monitoring and evaluation of production area
- environmental quality monitoring and warning system
- environmental quality standard for noise
- environmental quality standard for soils
- environmental quality standards for marine sediment
- environmental quality standards for surface water
- environmental racism
- environmental radioactive colloid
- environmental radioactivity evaluation
- environmental radioactivity level investigation
- environmental radioactivity monitoring
- environmental radiochemistry
- environmental referenced frame
- environmental regionalization
- environmental regionalization map
- environmental regulation
- Environmental regulation of non-point sources
- Environmental regulation of point sources