网络与数据通信 有线网络 释文 primary rate interface, PRI 主群速率接口
- Green potential
- green printing
- Green printing certification
- green printing materials
- green printing product
- green printing standard
- Green printing technique
- green procurement regulations system
- green product
- green product mark
- green program
- green propellant
- Green reciprocity theorem
- green residential area
- green retrofit
- green roof
- green rubber ingredients
- green sand mould surface hardness tester for casting
- Greensboro
- green schist
- greenschsit facies
- Green Schwarz formalism
- Green-Schwarz formalism
- Green Schwarz mechanism
- Green-Schwarz mechanism