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

• 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。
• But now it has achieved critical mass.
  但是现在它有达成紧要关头的块。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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？
• Only in this way can the critical mass of participation be reached.
  只有这样才能凑足参与人数。