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

• The next thing it hit, a year later, was critical mass.
  一年以后，它进入下一个阶段，也就是临界量。
• Nuclear fission has contributed to our society some new phrases& "critical mass" and "critical size". Correlation of critical mass velocity has been provided.
  原子核裂变给我们的社会带来了一些新词汇&临界质量和临界大文中还给出了临界质量流速的试验关联式。
• 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。
• The key is to create a critical mass of leaders to usher in change.
  这一切的关键在于，要培养出数量足够庞大的领导人来引导变革。
• The second reason concerns critical mass.
  第二个原因跟临界点有关。
• 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。
• Their presence created a critical mass of innovation.
  他们的出现引发了大量创新。
• 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。
• 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。
• If Tesco gambles small and wins, competitors will have time to copy it before it reaches critical mass.
  如果乐购小赌一把赢了，竞争对手在它达到临界质量之前有足够时间进行仿制。