| 1. | The sidereal year is not used to construct a calendar .
恒星年不用于编制年历。 |
| 2. | He discovered a stone age village for 5,000 years old .
他发现了一座有5千年历史的石器时代的村庄。 |
| 3. | The youngest rocks found on the moon are 3 billion years old .
在月球上发现的地质年代最晚的岩石已有30亿年历史了。 |
| 4. | It is hardly necessary to extract its value every time from an astronomical yearbook .
没有必要每次都从《天文年历》中查出它的值。 |
| 5. | For this reason the first calendar was a lunar (moon) one and the year was made up of twelve "moons" .
正是由于这个原因，最早的年历就叫阴（月）历，一年由十二个月组成。 |
| 6. | In the sixty-year history of the state, it had never managed a legitimate, regular, succession of leadership .
在这个国家的六十年历史中，它从来没有合法的、正规的继承领导权。 |
| 7. | Astronomical yearbooks and calendars for amateur astronomers provide the times of the beginning of the synodic solar rotations as well as the longitudes lo .
天文年历和日历为业余天文学家提供了太阳会合自转周期的始时和经度Lo |
| 8. | Men have been making music for thousands of years
人类创作音乐已有数千年历史。 |
| 9. | A flip of the calendar did not slow detroit down
年历的更换并没有使活塞慢下来。 |
| 10. | Zte ' s optical network brand ten years ' development
十年历练铸就中兴通讯光网络品牌 |
