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

• But the overall intent of UDDI can only be achieved if a critical mass of service providers is created.
  但是只有服务提供者的临界物质被建立，UDDL的全部意图才能实现。
• 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。
• Only in this way can the critical mass of participation be reached.
  只有这样才能凑足参与人数。
• 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。
• 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。
• It is almost as if you have reached critical mass and the Hundredth Monkey Theory is activating.
  它几乎像是你们到达了临界质量而激活了第一百只猴子理论。
• But now it has achieved critical mass.
  但是现在它有达成紧要关头的块。
• 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。
• The greater the enrichment, the less the critical mass.
  浓缩程度越大，临界质量越小。
• The second reason concerns critical mass.
  第二个原因跟临界点有关。