48 lines
1.7 KiB
Markdown
48 lines
1.7 KiB
Markdown
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---
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title: 术语表
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created: 2026-04-08
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updated: 2026-04-08
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type: concept
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tags: [glossary]
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sources: []
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---
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# 术语表
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## 常用缩略语
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| 缩写 | 全称 | 中文 |
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|------|------|------|
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| DC | Data Center | 数据中心 |
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| DCiE | Data Center infrastructure Efficiency | 数据中心基础设施效率 |
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| PUE | Power Usage Effectiveness | 电能使用效率 |
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| DCE | Data Center Engineer | 数据中心工程师 |
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| BHS | Baggage Handling System | 行李处理系统 |
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| DCS | Departure Control System | 离港控制系统 |
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| FIDS | Flight Information Display System | 航班信息显示系统 |
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| AIDS | Airport Information Display System | 机场信息显示系统 |
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| CCTV | Closed-Circuit Television | 闭路电视监控系统 |
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| BAS | Building Automation System | 楼宇自控系统 |
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| UPS | Uninterruptible Power Supply | 不间断电源 |
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| PDU | Power Distribution Unit | 配电单元 |
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| ATS | Automatic Transfer Switch | 自动转换开关 |
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| N+1 | N+1 Redundancy | N+1 冗余 |
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| 2N | 2N Redundancy | 2N 冗余 |
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| SLA | Service Level Agreement | 服务水平协议 |
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| MTTF | Mean Time To Failure | 平均故障前时间 |
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| MTTR | Mean Time To Repair | 平均修复时间 |
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| RTO | Recovery Time Objective | 恢复时间目标 |
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| RPO | Recovery Point Objective | 恢复点目标 |
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| DCI | Data Center Interconnect | 数据中心互联 |
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| WAN | Wide Area Network | 广域网 |
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| LAN | Local Area Network | 局域网 |
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| spine-leaf | Spine-Leaf Architecture | 脊叶架构 |
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## 关键指标
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- **PUE** = 总设施能耗 / IT 设备能耗（理想值 ≈ 1.2-1.5）
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- **DCiE** = IT 设备能耗 / 总设施能耗（理想值 ≈ 60-80%）
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- **可用性** = MTBF / (MTBF + MTTR)
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> 相关：[[power-and-cooling]] | [[airport-data-center-overview]]
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