| 1. | The amateur astronomer will be well able to fulfill these .
业余天文学家是可能做到这些的。 |
| 2. | A prominent soviet astronomer puts it well .
一位著名的苏联天文学家对此有过十分精辟的描绘。 |
| 3. | Astronomers have never before observed such a phenomenon .
天文学家们过去从未观察到这种现象。 |
| 4. | The ancient astronomers divided zodiac into 12 equal segments .
古代天文学家把黄道带分为12等分。 |
| 5. | It is the only tangible object the astronomer can handle .
这是天文学家能够掌握的唯一可接触的对象。 |
| 6. | Astronomers had not previously needed to devise such a mechanism .
天文学家无需急于去探寻这种机理。 |
| 7. | Astronomers have divided the celestial sphere into a total of 88 regions .
天文学家已把天球划分为88个区域。 |
| 8. | Astronomers have breached the powerful armor of the earth's atmosphere .
天文学家摆脱了地球大气的严重束缚。 |
| 9. | The telescope can be set on any star of interest to astronomers .
望远镜可以对准任何一颗天文学家感兴趣的星。 |
| 10. | Astronomers have found that many stellar objects contain hydrogen atoms .
天文学家们已经发现，许多恒星上含有氢原子。 |
