critical mass / ˈkrɪt ɪ kəl ˈmæs /

临界质量关键质量临界量临界值

critical mass 的定义

n. 名词 noun
  1. Physics. the amount of a given fissionable material necessary to sustain a chain reaction at a constant rate: The critical mass for a bomb based on uranium fission is different than that for plutonium fission.
  2. an amount necessary or sufficient to have a significant effect or to achieve a result: a critical mass of popular support.

critical mass 近义词

n. 名词 noun

crucial point

更多critical mass例句

  1. That’s because a critical mass of people must be vaccinated in order to attain herd immunity.
  2. Pence’s display of leadership means something, but not nearly as much as implementing a plan so a critical mass of people can get immunized — ending the coronavirus nightmare he and his boss have actively made worse.
  3. So there’s a critical mass in the state — particularly in the northeast of the state, but really throughout the state — that just aren’t taking the precautions they should be taking.
  4. They would rather, perhaps, become the next WhatsApp and be a 2BN user silo rather than play nice with other people because they’re already past critical mass.
  5. If it is, it will take Apple longer to get to some sort of “critical mass.”
  6. Dossi initially was listed in critical condition with wounds to his arm and lower back.
  7. Their bodies were later found incinerated and buried in mass graves outside of town.
  8. Beyond the huge American flag that hung over the street, the mile-long mass of cops ended.
  9. “The United States had gone to war declaring it must destroy an active weapons of mass destruction program,” the Times reported.
  10. Google itself has taken a break and put plans for mass production on hold.
  11. Charred beams and blackened walls showed stark and gaunt in the glow of a smoldering mass of wreckage.
  12. But hitherto, before these new ideas began to spread in our community, the mass of men and women definitely settled down.
  13. These are few and verbal, but momentous, and were not made without consultation of many critical authorities and versions.
  14. The Turks were no longer in mass but extended in several lines, less than a pace between each man.
  15. Thus among the huge mass of accumulated commodities the simplest wants would go unsatisfied.