V2EX set point

Set Point

释义 Definition

set point设定点;设定值。指在控制系统或调节过程中,被预先设定并希望系统维持或达到的目标水平(如温度、压力、速度、体重等)。在生理学/心理学语境中,也常指身体或行为倾向“回到”的相对稳定水平(如“体重设定点”)。

发音 Pronunciation (IPA)

/st pnt/

例句 Examples

Set the thermostat to a set point of 22°C.
把恒温器的设定值调到 22°C。

After weeks of dieting, her appetite seemed to pull her weight back toward its set point.
节食数周后,她的食欲似乎把体重拉回到原本的“设定点”。

词源 Etymology

该词由 set(“设定”)+ point(“点/目标点”)组成,字面意思是“被设定的点”。它源自工程与控制理论中“参考值/目标值”的概念,后来被广泛借用到生理学、心理学与健康领域,用来描述身体或系统倾向维持的目标水平或稳定状态。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Robert M. Sapolsky Why Zebras Don’t Get Ulcers(在压力与生理调节的讨论中常涉及“设定点/稳态”相关表述)
  • David A. Kessler The End of Overeating(讨论食欲与体重调节时提到“体重设定点”等概念)
  • Jason Fung The Obesity Code(谈及体重管理与身体调节机制时使用“set point”术语)
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