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

• 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。
• 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 second reason concerns critical mass.
  第二个原因跟临界点有关。
• 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？
• 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。
• Their presence created a critical mass of innovation.
  他们的出现引发了大量创新。
• 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。
• 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”。
• Only in this way can the critical mass of participation be reached.
  只有这样才能凑足参与人数。