| 1. | The light is dispersed into its component wave lengths .
光被色散成各种波长的单色光。 |
| 2. | The spectrum is just an image of the star in various wave lengths .
光谱正好是恒星在各个波长处的象。 |
| 3. | The absorption is most effective for the shorter wave length rays .
对于短波部分来说，吸收效应尤为明显。 |
| 4. | Each band represents a deviation of one half wave length of the applied light .
每条光带表示所用光的一个半波的波长的偏差。 |
| 5. | Owing to the expansion of the universe, an observer today would expect to find these remnants to have undergone a red shift to long wave lengths .
由于宇宙的膨胀，今天的观察者可望找到这些向长波红移了的残余物。 |
| 6. | Absorptivity, reflectivity and transmissivity depend upon the wave length of the radiant energy striking the surface and also upon the temperature of the surface .
吸收率，反射率和透射率取决于打在物体表面上的辐射能的波长，也和物体表面的温度有关。 |
| 7. | X - ray wave length dispersive spectrometer , x
射线波长色散谱仪 |
| 8. | The frequency , wave length and speed of sound are closely related
声音的频率、波长和速度三者是密切相关的。 |
| 9. | Wdm wave length division multiplex
波分多路复用 |
| 10. | （ b ） the frequency , wave length , and speed of sound are closely related
声音的频率，波长和速度三者是密切相关的。 |
