| 1. | A laser is a device composed a special material .
激光器这种器件是用特殊材料制成的。 |
| 2. | The beam from the laser l passes through the shutter s .
激光器L发出的光束经过快门S。 |
| 3. | The first liquid laser was operated in january of 1963 .
第一个液体激光器是在1963年1月运转的。 |
| 4. | This is the origin of the laser's extreme quasimonochromaticity .
这就是激光器的极好的单色性的本源。 |
| 5. | In the laser this damping mechanism can be visualized as follows .
在激光器中，这种阻尼机理可以如下理解。 |
| 6. | In the beginning, engineers hoped to use semiconductor lasers .
在开始时，工程师们希望能够利用半导体激光器。 |
| 7. | It should be emphasized that the laser is in no sense a source of energy .
应当强调指出，激光器绝不是一个能源。 |
| 8. | The material must be sensitized for the monochromatic radiation of the laser .
此材料必须对该激光器的单色辐射敏感。 |
| 9. | The operation of this laser can be explained with the aid of figure 10. 15 .
借助于图1015可以解释这种激光器的运转。 |
| 10. | By far the most nearly monochromatic source available at present is the laser .
目前可用的最接近单色光的光源是激光器。 |
