V2EX occlusion

Occlusion

发音 Pronunciation

/klun/

释义 Definition

指"遮挡、闭塞、咬合"的意思。常用于医学、气象学和计算机视觉等领域,表示某物被阻挡、封闭或遮蔽的状态。在牙科中特指上下牙齿的咬合关系;在气象学中指锋面闭合;在日常语境中泛指阻塞或遮挡。

例句 Examples

The occlusion of the blood vessel caused serious health problems.
血管的闭塞导致了严重的健康问题。

In computer graphics, ambient occlusion is a shading technique used to calculate how exposed each point in a scene is to ambient lighting, creating more realistic shadows.
在计算机图形学中,环境光遮蔽是一种着色技术,用于计算场景中每个点受环境光照射的程度,从而创建更逼真的阴影效果。

词源 Etymology

源自拉丁语 occludere,由 **ob-**(表示"对着、朝向")和 claudere(表示"关闭")组合而成,字面意思是"关上、封闭"。该词经由中世纪拉丁语 occlusio 进入英语,最初主要用于医学领域,后来扩展到气象学、光学和计算机科学等多个学科。

相关词汇 Related Words

文学与学术引用 Literary & Academic References

  • 在气象学经典著作中,occlusion 常用于描述"锢囚锋"(occluded front),这一概念由挪威气象学派在20世纪初提出。
  • 在医学文献中广泛出现,例如关于冠状动脉闭塞(coronary occlusion)的研究论文。
  • 在计算机视觉领域,occlusion 是核心术语之一,频繁出现于学术论文中,如探讨物体遮挡检测与处理的研究。
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