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单词 axion
释义

axion

听听怎么读
英 [??ksi?n]
美 [??ksi?ɑn]
是什么意思
  • n.

    轴子(一种假设的亚原子粒子);

  • 英英释义

    Axion

    • The axion is a hypothetical elementary particle postulated by the Peccei–Quinn theory in 1977 to resolve the strong CP problem in quantum chromodynamics (QCD). If axions exist and have low mass within a specific range, they are of interest as a possible component of cold dark matter.

    以上来源于:Wikipedia

    学习怎么用

    双语例句

    用作名词(n.)
    1. Other axion searches are ground-based.
      对轴子的其他搜寻活动是在地面上的。
    2. They are manufacturing intense magnetic fields in the hopes of detecting microwave signals of an axion decaying into a single, real photon.
      他们正在制造强磁场,希望能够检测出正在衰变成真实单一光子的轴子微波信号。

    权威例句

    The not-so-harmless axion
    Cosmology of the invisible axion
    Axion-induced topology change in quantum gravity and string theory
    Possible suppression of axion-hadron interactions
    First results from the CERN axion solar telescope
    A cosmological bound on the invisible axion
    EXPERIMENTAL TESTS OF THE "INVISIBLE"AXION
    Gravity Waves and Linear Inflation from Axion Monodromy
    Magnetoelectric polarizability and axion electrodynamics in crystalline insulators.
    A simple solution to the strong CP problem with a harmless axion
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