V2EX useful life

Useful Life

释义 Definition

useful life 指“使用寿命/有效使用年限”:某个资产、设备或产品在技术上与经济上仍然可用、能带来效益或满足用途的那段时间(常用于会计折旧工程可靠性产品管理等语境)。在不同领域也可能有更具体的定义口径。

发音 Pronunciation (IPA)

/jusfl laf/

例句 Examples

The printer is near the end of its useful life.
这台打印机快到它的使用寿命末期了。

Companies estimate an asset’s useful life to calculate depreciation and plan replacements before failures disrupt operations.
公司会估计资产的有效使用年限,用来计算折旧,并在故障影响运营前规划更换。

词源 Etymology

useful 来自 “use(使用)+ -ful(充满……的)”,表示“有用的”。life 表示“生命/寿命”。合起来的 useful life 是一种偏专业的组合用法,用来强调“在可用、能发挥价值的期限”,区别于单纯的“物理寿命”(可能还能运转但已不经济或不符合要求)。

相关词 Related Words

文学与文献作品 Literary & Notable Uses

  • IAS 16 Property, Plant and Equipment(国际会计准则第16号):反复使用 useful life 来规定固定资产折旧相关概念。
  • ASC 360 Property, Plant, and Equipment(美国会计准则):在长期资产的折旧与减值语境中使用 useful life
  • ISO 15686 Buildings and constructed assets Service life planning:讨论建筑与构件寿命规划时常出现与 useful life 相近/相关的表述与概念框架。
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