| 1. | These rays would not be visible to our eyes .
人眼是看不见这些射线的。 |
| 2. | Beta emission consists of electrons .
射线由电子组成。 |
| 3. | X-ray astronomy has made impressive progress .
X射线天文学已取得了引人注目的进展。 |
| 4. | The distinct processes are involved in x-ray emission .
X射线的发射，包含不同的过程。 |
| 5. | The x-ray was very revealing .
X射线十分揭示问题。 |
| 6. | The effect of r rays was subtracted in all cases .
在所有的情形下，都已扣除r射线的效应。 |
| 7. | Some of the radiation was bent slightly toward the negative pole .
一些射线稍稍弯向负极。 |
| 8. | A third radiation group was unaffected by the magnetic field .
第三组射线不受磁场的影响。 |
| 9. | Two rags proceeding from the same point form an angle .
从同一点出发的两条射线形成一只角。 |
| 10. | The ray paths are circles .
射线路径呈圆弧状。 |
