V2EX critical mass

Critical Mass

释义 Definition

critical mass临界量;关键规模。指某个数量或规模达到“临界点”后,会引发显著变化或连锁反应。常见于:

  • 物理/核工程:使核链式反应能够自持的最小裂变材料量(临界质量)。
  • 社会/商业/传播:达到足够人数、用户或影响力后,增长或扩散会突然加速(关键规模)。

发音 Pronunciation

/krtkl ms/

例句 Examples

Recycling won’t work unless we reach a critical mass of participants.
如果没有达到足够多的参与者,回收计划就难以奏效。

Once the app hit a critical mass of active users, network effects kicked in and growth became self-sustaining.
一旦这款应用的活跃用户达到关键规模,网络效应就会出现,增长也会变得自我维持。

词源 Etymology

critical 来自希腊语 kritikos(“能判断的、关键的”),经拉丁语进入英语;mass 来自拉丁语 massa(“团块、块状物”)。短语 critical mass 最初在核物理语境中指“达到临界点的材料质量”,后来被借用到社会学、商业与传播领域,用来描述“数量达到阈值后引发质变”的现象。

文学作品与著作 Literary Works

  • Philip Ball:《Critical Mass: How One Thing Leads to Another》以“临界量/连锁反应”为核心隐喻讨论科学与复杂系统中的扩散现象。
  • Malcolm Gladwell:《The Tipping Point》在社会传播与流行趋势的讨论中使用“达到临界规模后迅速爆发”的概念(与 critical mass 常并用)。
  • Richard Rhodes:《The Making of the Atomic Bomb》涉及核武器发展史时讨论“临界质量(critical mass)”这一关键概念。
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