V2EX accumulation point

Accumulation Point

释义 Definition

“accumulation point”常指积聚点/堆积点:某种物质、信息、压力等不断聚集的地点或位置。
在数学(尤其拓扑学、实分析)里也可指聚点/极限点(与 limit point 常互用):在该点的任意邻域内都能找到集合中的点。

发音 Pronunciation (IPA)

/kjumjlen pnt/

例句 Examples

The corner of the room became an accumulation point for dust.
房间的角落成了灰尘的堆积点。

Over time, small misunderstandings can create an accumulation point of tension in a relationship.
随着时间推移,小误会可能在一段关系中形成紧张情绪的“积聚点”,最终集中爆发。

词源 Etymology

accumulation 来自拉丁语 accumulare(把东西堆在一起,ad- “向/加上” + cumulus “堆、堆积”),表示“积累、聚集”;point 来自拉丁语 punctum(点、刺点)。合在一起就是“聚集形成的点/位置”。

相关词 Related Words

文学与作品 Literary Works

  • Walter Rudin, Principles of Mathematical Analysis(常讨论“limit point/accumulation point”等概念)
  • James R. Munkres, Topology(拓扑学语境中涉及“accumulation point/limit point”的定义与性质)
  • G. F. Simmons, Introduction to Topology and Modern Analysis(现代分析中使用相关术语讨论聚点与收敛)
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