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

• If Tesco gambles small and wins, competitors will have time to copy it before it reaches critical mass.
  如果乐购小赌一把赢了，竞争对手在它达到临界质量之前有足够时间进行仿制。
• The key is to create a critical mass of leaders to usher in change.
  这一切的关键在于，要培养出数量足够庞大的领导人来引导变革。
• 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。
• Nuclear fission has contributed to our society some new phrases& "critical mass" and "critical size". Correlation of critical mass velocity has been provided.
  原子核裂变给我们的社会带来了一些新词汇&临界质量和临界大文中还给出了临界质量流速的试验关联式。
• 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。
• 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。
• The second reason concerns critical mass.
  第二个原因跟临界点有关。
• This creates what is known as a critical mass of nuclear material, which releases its energy instantaneously as atoms inside it split in an uncontrolled chain reaction.
  这会造成核原料所谓的临界质量，当其中的原子在无法控制的连锁反应中分裂时，能在瞬间释放出能量。
• 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？
• 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。