V2EX long-period

Long-period

释义 Definition

long-period(形容词):指周期很长的持续时间较长的(常用于科学语境,如“长周期彗星”“长周期振荡/波动”等)。也可更泛指“长期的、跨较长时间尺度的”。

发音 Pronunciation (IPA)

/lprid/

例句 Examples

Long-period comets can take thousands of years to return.
长周期彗星可能需要数千年才会再次回到太阳附近。

The researchers found a long-period pattern in the climate data, suggesting changes beyond normal seasonal cycles.
研究人员在气候数据中发现了一个长周期模式,暗示存在超出正常季节循环的变化。

词源 Etymology

long(长的)+ period(周期) 构成的复合形容词;period 源自拉丁语 periodus,进一步可追溯到古希腊语 periodos(意为“循环、周期性的往复”)。因此 long-period 字面义就是“周期很长的”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Carl Sagan, Cosmos(常在科普语境中提到 long-period comets 等天文学概念)
  • Isaac Asimov, Asimov’s New Guide to Science(科学综述中会使用“long-period”描述天体或现象的周期特征)
  • Michael A. Seeds & Dana Backman, Foundations of Astronomy(教材中常见 long-period comet 的术语用法)
  • The Cambridge Encyclopedia of Astronomy(百科式天文学著作中用于区分不同周期的彗星/现象)
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