V2EX temperature threshold

Temperature Threshold

释义 Definition

“温度阈值;温度门槛”:指某个关键温度点,当温度达到或超过(有时也包括低于)该值时,系统状态、过程速率或结果会发生明显变化(如触发保护、材料相变、反应开始、风险上升等)。在工程、医学、生物、气候科学中都很常见。

例句 Examples

The vaccine must be stored below the temperature threshold.
疫苗必须储存在低于该温度阈值的环境中。

Once the reactor crosses the temperature threshold, the control system automatically reduces power to prevent damage.
一旦反应器越过温度阈值,控制系统会自动降低功率以防止损坏。

发音 Pronunciation (IPA)

/tmprtr θrhold/

词源 Etymology

temperature 源自拉丁语 temperatura(“适度、调和、配比得当”),后来引申为“冷热程度”。
threshold 源自古英语 rescold/erscold,原指“门槛、门口的横木”,再比喻为“界限、临界点”。合在一起即“温度达到某个界限时发生变化的点”。

相关词 Related Words

文学与著作 Literary Works

该短语更常见于科技与科普写作,在传统小说等文学作品中作为固定术语出现较少;以下著作/报告中常讨论或使用类似表述(含“temperature threshold/thermal threshold”等):

  • IPCC Assessment Reports(政府间气候变化专门委员会评估报告)
  • Thermodynamics: An Engineering Approach(Yunus A. engel & Michael A. Boles)
  • Fundamentals of Heat and Mass Transfer(Incropera 等)
  • Principles of Biomedical Engineering(相关章节常用“thermal/temperature threshold”描述生理反应临界点)
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