V2EX steady state

Steady State

Definition / 定义

“稳态;稳定状态”:指一个系统的关键变量随时间基本不变,或虽然内部仍在发生变化,但整体处于稳定的平衡水平(常见于物理、化学工程、生态学、经济学等语境)。

Pronunciation / 发音

/stdi stet/

Examples / 例句

The reactor is designed to operate at steady state for long periods.
该反应器被设计为能在稳态下长时间运行。

After a shock, the economy gradually returns to a new steady state where growth and inflation are stable.
在一次冲击之后,经济会逐步回到一个新的稳态,在那里增长和通胀趋于稳定。

Etymology / 词源

steady(稳定的) + state(状态) 组合而成。作为术语在科学与工程写作中广泛使用,用来描述“随时间不再显著变化”的系统状态;在经济学中也常指长期均衡附近的稳定水平(例如索洛增长模型的稳态)。

Related Words / 相关词汇

Literary Works / 文学作品

  • The Feynman Lectures on Physics(费曼《物理学讲义》):在讨论物理系统与近似分析时常涉及“稳态/稳定条件”的表述。
  • Transport Phenomena(Bird, Stewart & Lightfoot《传递现象》):以“steady-state”作为核心概念之一,讨论稳态传热、传质与动量传递。
  • Robert M. Solow, A Contribution to the Theory of Economic Growth(1956):提出增长模型并使用“steady state”描述长期均衡路径。
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