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beta rays

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  • 线

详细释义

名词 beta ray:
  1. radiation of beta particles during radioactive decay

双语例句

    1. Candidates may not retake a beta exam at any time.
      在任何时间都可以重考在线的无监考的考试。
    2. The corona's rays flash out in a brilliant fan that has wispy spike-like rays near the Sun's north and south poles.
      光环带的光束像一把流光折扇,在太阳的南北两极附近形成纤细的辐射线。
    3. The gun can fire invisible rays.
      这枪能发出看不见的射线。
    4. Cathode rays are attracted by a positive charge.
      阴极射线被阳电荷所吸引。

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