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

• 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。
• Only in this way can the critical mass of participation be reached.
  只有这样才能凑足参与人数。
• 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？
• The second reason concerns critical mass.
  第二个原因跟临界点有关。
• 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。
• 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”。
• I decided that I had spent enough time on this and had a "critical mass" of features available.
  我决定，我已经花了足够的时间和进行了“足够数量的可用的功能”。
• 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 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。