beta rays

• 线

beta rays的英文翻译是什么意思，词典释义与在线翻译：

英英释义

名词 beta ray:

1. radiation of beta particles during radioactive decay

beta rays的用法和样例：

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。