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| 31. | meniscus telescope |
| 弯月形望远镜 |
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| 32. | telescopic range finder |
| 望远镜测距仪 |
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| 33. | Newtonian telescope |
| 牛顿望远镜 |
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| 34. | achromatic telescope |
| 消色差望远镜 |
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| 35. | chromospheric telescope |
| 色球望远镜 |
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| 36. | dioptric telescope |
| 折光望远镜 |
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| 37. | alignment telescope |
| 对准望远镜 |
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| 38. | night binocular |
| 夜视望远镜 |
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| 39. | aerial telescope |
| 航空望远镜 |
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| 40. | field telescope |
| 野战望远镜 |
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