V2EX failure rate

Failure Rate

释义 Definition(中文)

failure rate故障率 / 失败率。指在一定时间、一定数量或一定条件下,系统、设备、产品、流程或实验发生失败(故障、不达标、出错)的比例或频率。常用于工程可靠性、质量管理、医学/统计、软件与运维等语境。

发音 Pronunciation (IPA)

/feljr ret/

例句 Examples

The failure rate of this battery is very low.
这款电池的故障率很低。

After the update, the system’s failure rate increased, which forced the team to roll back the release and investigate the root cause.
更新后系统失败率上升,团队被迫回滚发布并调查根本原因。

词源 Etymology(中文)

failure 来自拉丁语 fallere(欺骗、使落空),经法语演变为表示“失败、失灵”。rate 来自拉丁语 rata(固定的、计算出的比例/数额),后来发展为“比率、速率”。合在一起 failure rate 就是“失败发生的比例/频率”,在现代工程与统计语境中尤为常见。

相关词 Related Words

文学与著作 Literary Works(出现语境举例)

  • An Introduction to Reliability and Maintainability Engineering(Charles E. Ebeling)可靠性工程中系统讨论 failure rate 与寿命分布。
  • Reliability Engineering(E.E. Lewis)以工程案例讲解 failure rate、失效率曲线等概念。
  • The Practice of System and Network Administration(Thomas A. Limoncelli 等)在运维与服务可靠性语境中涉及“失败率/故障率”等指标。
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