| 1. | Each small quadrat must be more homogeneous than the sociation as a whole .
每个小样方必须比整个基群丛更为统一。 |
| 2. | Specification for group translating equipment used on carrier systems
载波系统基群变频级基本技术要求 |
| 3. | Pri : primany rate interface
基群速率接口 |
| 4. | Primary rate access pra
基群速率接入 |
| 5. | Primary pcm group
脉冲编码调制基群 |
| 6. | Primary digital group
数字基群 |
| 7. | Methods of measurement of midems for wide band using 60 108 khz group band circuits
用于60 108khz基群电路的宽带调制解调器的测量方法 |
| 8. | Modems for data transmission at 48 kilobits per second using 60 108 khz group band circuits
用于60 108khz基群电路的48 kbit s数据传输的调制解调器 |
| 9. | This paper designs a network interface for digital stored - program - control exchange . this interface connects digital stored - program - control exchange from pcm , and connects ethernet from rj45
该网络接口系统一端通过pcm基群串行总线连接数字程控交换机，另一端经rj45口与以太网相连。 |
