| 1. | Some distance above the lead block a photographic plate is placed .
在铅块上方某一距离处放一照相底板。 |
| 2. | In the mass spectrograph the ions are focused onto a photographic plate .
在质谱仪中，离子聚焦在感光板上。 |
| 3. | Why would a man take a can of photographic negatives on a fishing trip ?
为什么一个出海的钓鱼人要随身携带一筒照相底片呢？ |
| 4. | The output signal from the detector may be the blackening of a photographic emulsion .
探测器的输出信号可以是照相乳胶的黑度。 |
| 5. | Ions of different isotopes converge at different points on the photographic plate .
在照相底板上不同的同位素的离子会聚于不同点。 |
| 6. | The joint use of professional photographic laboratories rarely works out well .
和职业照相室合用一间暗房是做不出什么好成绩来的。 |
| 7. | Of special interest is the photographic determination of altitudes of lunar formation .
最有趣的是用照相来测定月面结构物的高度。 |
| 8. | This approach has been used to advantage in the design of a number of photographic lenses .
这种方法成功地应用在一些照相镜头的设计中。 |
| 9. | Photographic silver halide emulsions are spectrally sensitized with a tricarbocyanine dye .
照像卤化银乳剂是用三碳青染料进行光谱增玉的。 |
| 10. | Photographic silver halide emulsions are spectrally sensitized with a tricarbocyanine dye .
照像卤化银乳剂是用三碳菁染料进行光谱增感的。 |
