critical mass

英 [ˌkrɪtɪkl ˈmæs]

美 [ˌkrɪtɪkl ˈmæs]

n.  (核链式反应的)临界质量

电力

牛津词典

noun

• （核链式反应的）临界质量
  the smallest amount of a substance that is needed for a nuclear chain reaction to take place

柯林斯词典

• (核链式反应的)临界质量
  In physics, thecritical massof a substance is the minimum amount of it that is needed for a nuclear chain reaction.
• N-SING (某事发生或继续所需的)足够数量
  Acritical massof something is an amount of it that makes it possible for something to happen or continue.
  1. Only in this way can the critical mass of participation be reached.
     只有这样才能凑足参与人数。

英英释义

noun

• the minimum mass of fissionable material that can sustain a chain reaction
• the minimum amount (of something) required to start or maintain a venture
  1. the battle for the computer market has now reached critical mass
  2. there is now a critical mass of successful women to take the lead
  3. they sold the business because it lacked critical mass

双语例句

• We've reached critical mass and there's no turning back.
  我们已经到了最关键的时刻，而且没有回头路。
• Often some sort of competency center is a good approach to building a critical mass of the appropriate skills.
  某种形式的能力认证中心通常是建立大量急需合适技能的好途径。
• The greater the enrichment, the less the critical mass.
  浓缩程度越大，临界质量越小。
• Havens in the Gulf and offshore lack the critical mass to become global financial capitals.
  海湾地区和离岸的避税天堂，缺乏成为全球金融中心的关键品质。
• Vietnam has already achieved the critical mass required to establish multi-disciplinary biotechnology research and development that meets international standards.
  越南已经达到了建立满足国际标准的多学科生物技术研发的临界质量。
• But now it has achieved critical mass.
  但是现在它有达成紧要关头的块。
• Correlation of critical mass velocity has been provided.
  文中还给出了临界质量流速的试验关联式。
• I read as much as I could find for background to my recent novel, Critical Mass.
  我在写最新小说《临界物质》时，为了了解背景知识读了所有我能找到的书。
• Their presence created a critical mass of innovation.
  他们的出现引发了大量创新。
• So critical mass was a consideration as well as technical excellence.
  因此关键的合并既是一种考虑也是一种技术优势。