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。
• 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 second reason concerns critical mass.
  第二个原因跟临界点有关。
• 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。
• Spring is rapidly maturing and has the critical mass to be a player for the foreseeable future.
  Spring正在快速成熟，并将在可预见的未来成为一个参与者。
• What happens when the number of students making that choice reaches a critical mass?
  如果如此选择的学生变成了大多数，会怎样？
• 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。
• 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。
• 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。
• 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。