网络与数据通信 协议体系与组成结构 释文 network operations center, NOC 网络运行中心
- net morphism
- net national welfare
- net of circles
- net of curvature lines
- net of curves
- net of lines
- net of planes
- net of quadrics
- net of sets
- net of spheres
- net of surfaces
- net operation
- Netovshchina
- net photosynthesis
- net photosynthesis rate
- net point
- net population density
- net positive suction head
- net positive suction head available
- net premium
- net premium reserve
- net present value
- net primary productivity
- net production
- net protein ratio