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 second reason concerns critical mass.
  第二个原因跟临界点有关。
• But now it has achieved critical mass.
  但是现在它有达成紧要关头的块。
• 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。
• 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。
• 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。
• But you need awareness, some angle to get critical mass but also so people can turn to you.
  但是你们需要打响知名度，要通过一些独特的角度来获得关键的多数客户，这样才能吸引大量客户。
• 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。
• 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。
• Nuclear fission has contributed to our society some new phrases& critical mass and critical size.
  原子核裂变给我们的社会带来了一些新词汇“临界质量”和“临界大小”。
• 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。