positron是什么意思

实用例句

1. After an immeasurably short time interval, the electron - positron pair recombine.

电子 ― 正电子偶经过一个不可测量的短暂时间间隔后就重新复合.来自辞典例句

2. The positron is an antielectron.

正电子就是反电子.来自辞典例句

3. The electron - positron pair may survive without recombining.

电子 - 正电子偶可以存在下来而不再复合.来自辞典例句

4. The vacancy defects of samples were measured by slow positron annihilation.

借助慢正电子湮没技术研究了样品的空位型缺陷.来自互联网

5. Magnetized water samples were measured by the positron annihilation lifetime spectrometer.

用正电子湮没寿命谱仪对经过磁场处理的水样品进行了对照测量.来自互联网