V2EX power consumption

Power Consumption

释义 Definition

“Power consumption” 指功耗/电力消耗:设备、系统或过程在运行时消耗电能的多少,常以瓦特(W)或千瓦(kW)表示;也可泛指一定时间内的用电量(如 kWh)。

发音 Pronunciation

/par knsmpn/

例句 Examples

The new laptop has low power consumption.
这款新笔记本电脑功耗很低。

Reducing power consumption can lower costs and extend battery life, especially under heavy workloads.
降低功耗可以减少成本并延长电池续航,尤其是在高负载运行时。

词源 Etymology

“Power” 源自古法语 poeir/povoir(“能力、力量”),进一步追溯到拉丁语 posse(“能够”);“Consumption” 源自拉丁语 consumere(“用尽、消耗”)。合起来,“power consumption” 字面义即“对能量/电力的消耗”,在工程语境中特指设备运行所需的功率/能耗。

相关词 Related Words

文学与著名作品中的用例 Literary Works

  • Computer Architecture: A Quantitative Approach(Hennessy & Patterson)在处理器设计与性能/能效权衡中频繁讨论 “power consumption”。
  • Operating System Concepts(Silberschatz, Galvin, Gagne)在电源管理与移动设备章节常出现该术语。
  • The Art of Electronics(Horowitz & Hill)在电路设计、供电与低功耗设计语境中使用 “power consumption”。
  • Designing Embedded Hardware(John Catsoulis)在嵌入式系统的电源预算与低功耗策略中多次出现。
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