V2EX criticality

Criticality

释义 Definition

criticality n.

  1. 关键性;重要性:某事物对结果起决定作用的程度。
  2. 临界状态;临界性(尤用于物理、工程、核科学等):系统处在或接近“临界点”(如相变点、核反应临界状态)时的性质与状态。
    (也常引申为“风险/紧迫程度很高的状态”。)

发音 Pronunciation

/krtklti/

例句 Examples

The criticality of clean water is obvious.
清洁饮用水的重要性是不言而喻的。

In nuclear engineering, maintaining criticality within safe limits is essential to prevent an uncontrolled chain reaction.
在核工程中,将临界状态控制在安全范围内至关重要,以防止失控的链式反应。

词源 Etymology

criticality 来自 critical(关键的;临界的)+ 名词后缀 -ity(表示“性质、状态”)。critical 源自希腊语 kritikos(“能判断的、与判断有关的”),与“评判、决定”有关;后来在科学语境中发展出“临界点/临界状态”的含义,因此 criticality 既可指“关键性”,也可指“临界性”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Per Bak, How Nature Works: The Science of Self-Organized Criticality:以“自组织临界性”为核心概念,讨论自然系统如何在临界附近产生复杂行为。
  • H. Eugene Stanley 等(统计物理/复杂系统相关论文与专著):常用 criticality 描述相变临界点附近的标度行为与涨落。
  • 核工程与核安全教材(如反应堆物理学相关经典教材):用 criticality 专指核裂变链式反应达到“临界”的状态与其安全控制。
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