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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.
        1. 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
          1. 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

          • 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。
          • The second reason concerns critical mass.
            第二个原因跟临界点有关。
          • 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”。
          • 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。
          • 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。
          • 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。
          • 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?
          • 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。
          • 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。