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| 1. | astigmatic (light) beam |
| 象散光束 |
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| 2. | This device splits the light beam into a measuring light beam and a reference light beam. |
| 此设计把光束分成测量光束和参化光束。 |
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| 3. | monochromatic light beam |
| 单色光束 |
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| 4. | light beam acquiring |
| 光束瞄准 |
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| 5. | light beam diaphragm |
| 光束隔膜 |
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| 6. | sample light beam |
| 试样光束 |
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| 7. | light beam galvanometer |
| 光束电流计 |
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| 8. | writing light beam |
| 记录光束 |
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| 9. | horizontal light beam |
| 水平光束 |
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| 10. | coherent light beam |
| 相干光束 |
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