| 1. | The doctor did not find any fracture after taking x-rays . 经X光照射,医生并没有发现任何骨折现象。 |
| 2. | It screens out lethal ultraviolet and x-rays from the sun . 它阻挡了来自太阳的致命的紫外线和X射线。 |
| 3. | X-rays are produced whenever electrons are brought to rest suddenly . 突然使电子停止运动就会产生X射线。 |
| 4. | X-rays were produced when energetic electrons hit a solid object . X射线是在高能电子击中固体靶时产生的。 |
| 5. | 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。 |
| 6. | It must be remembered that the use of x-rays in medical practice is of great value . 在医疗上使用X线是非常有价值的,这一点不能忽视。 |
| 7. | Crudely, we might compare the production of x-rays with the stopping of a bullet by a tree . 我们可以把X射线的产生粗略地与子弹被树挡住这种情形作比较。 |
| 8. | Because of their short wavelength, x-rays can pass through objects which are opaque to ordinary light . 由于X射线的波长短,它就能穿透一般光线所不能穿透的物体。 |
| 9. | Henri becquerel wondered if the fluorescence bore any relationship to the recently discovered x-rays . 亨利贝克莱尔很想知道这种荧光同新近发现的X射线是否有关系。 |
| 10. | Grating spectrometers, used over the ranges from soft x-rays to the far infrared, have enjoyed continued interest . 使用范围从软x射线到远红外线的光栅光谱仪继续受到注意。 |