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

• In this case, 20 percent is often a good proxy for critical mass in a household.
  通常，20%的家庭拥有量是技术达到临界量的一个合理标志。
• 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。
• 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？
• The people born in the 1980s really make up a critical mass in China.
  出生于上个世纪80年代的人真正构成了中国的一种核心力量。
• 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。
• The second reason concerns critical mass.
  第二个原因跟临界点有关。
• 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。
• 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。
• 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。
• 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。