| 1. | Cosmic rays and x-rays produce energetic electrons by ionization . 宇宙射线和X射线因其电离作用产生高能电子。 |
| 2. | Erosion , cosmic rays , recurring ice ages 侵蚀,宇宙射线,反复出现的冰河时期 |
| 3. | Ordinary cosmic rays are puny things 普通的太空射线都是微不足道的东西。 |
| 4. | The cosmic rays will travel from this generator to this chamber 宇宙射线将从这个发生器传到这个舱里 |
| 5. | Another source of natural radiation is cosmic rays from space 另一个天然辐射来源是来自外太空的宇宙射线。 |
| 6. | Another source of natural radiation is cosmic rays from space 另一个天然辐射来源是来自外太空的宇宙射线。 |
| 7. | Cosmic rays and x - rays produce energetic electrons by ionization 宇宙射线和x射线因其电离作用产生高能电子。 |
| 8. | Acceleration mechanism of cosmic ray 宇宙线加速机构 |
| 9. | Composition of primary cosmic ray 一次宇宙线的组成 |
| 10. | These cosmic rays , as they are called , consist mostly of protons 这些被称为宇宙射线的物质主要是由质子组成的。 |