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

• 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。
• The greater the enrichment, the less the critical mass.
  浓缩程度越大，临界质量越小。
• 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。
• We have a critical mass of banks.
  我们已经有了数量可观的银行。
• The same ideas of critical size and critical mass apply to bombs.
  同样的临界尺寸概念和临界质量概念适用于原子弹。
• Some sort of development in matters of the heart was coming to critical mass.
  一些正在发展中的核心问题来到了临界点。
• But now it has achieved critical mass.
  但是现在它有达成紧要关头的块。
• What's the killer feature that seems to provide critical mass for this framework?
  哪种至关重要的特性为此框架提供了关键部分？
• 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 decided that I had spent enough time on this and had a "critical mass" of features available.
  我决定，我已经花了足够的时间和进行了“足够数量的可用的功能”。