---
title: 术语表
created: 2026-04-08
updated: 2026-04-08
type: concept
tags: [glossary]
sources: []
---

# 术语表

## 常用缩略语

| 缩写 | 全称 | 中文 |
|------|------|------|
| DC | Data Center | 数据中心 |
| DCiE | Data Center infrastructure Efficiency | 数据中心基础设施效率 |
| PUE | Power Usage Effectiveness | 电能使用效率 |
| DCE | Data Center Engineer | 数据中心工程师 |
| BHS | Baggage Handling System | 行李处理系统 |
| DCS | Departure Control System | 离港控制系统 |
| FIDS | Flight Information Display System | 航班信息显示系统 |
| AIDS | Airport Information Display System | 机场信息显示系统 |
| CCTV | Closed-Circuit Television | 闭路电视监控系统 |
| BAS | Building Automation System | 楼宇自控系统 |
| UPS | Uninterruptible Power Supply | 不间断电源 |
| PDU | Power Distribution Unit | 配电单元 |
| ATS | Automatic Transfer Switch | 自动转换开关 |
| N+1 | N+1 Redundancy | N+1 冗余 |
| 2N | 2N Redundancy | 2N 冗余 |
| SLA | Service Level Agreement | 服务水平协议 |
| MTTF | Mean Time To Failure | 平均故障前时间 |
| MTTR | Mean Time To Repair | 平均修复时间 |
| RTO | Recovery Time Objective | 恢复时间目标 |
| RPO | Recovery Point Objective | 恢复点目标 |
| DCI | Data Center Interconnect | 数据中心互联 |
| WAN | Wide Area Network | 广域网 |
| LAN | Local Area Network | 局域网 |
| spine-leaf | Spine-Leaf Architecture | 脊叶架构 |

## 关键指标

- **PUE** = 总设施能耗 / IT 设备能耗（理想值 ≈ 1.2-1.5）
- **DCiE** = IT 设备能耗 / 总设施能耗（理想值 ≈ 60-80%）
- **可用性** = MTBF / (MTBF + MTTR)

> 相关：[[power-and-cooling]] | [[airport-data-center-overview]]