beta rays
英
美
- 线
详细释义
名词 beta ray:
-
radiation of beta particles during radioactive decay
双语例句
- 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。 - 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。 - The gun can fire invisible rays.
这枪能发出看不见的射线。 - Cathode rays are attracted by a positive charge.
阴极射线被阳电荷所吸引。
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