| 1. | The observational data were irrefutable . 这些观测资料是不容怀疑的。 |
| 2. | This is contrary to actual observation . 这种情况与实际观测恰恰相反。 |
| 3. | No optical counterpart has been observed . 没有观测到光学对应体。 |
| 4. | We observe three sunspot groups on the disc . 在日面上观测到三个黑子群。 |
| 5. | Quakewatchers in california are uneasy . 加利福尼亚的地震观测者焦虑不安。 |
| 6. | The signals are transmitted to the observation center . 信号被送往观测中心。 |
| 7. | This was contrary to the observation . 这同观测结果相矛盾。 |
| 8. | These observations provided very compelling evidence . 这些观测提供了有力证据。 |
| 9. | This tendency is indeed observed experimentally . 这种趋向在实验中也确实观测到了。 |
| 10. | The observation is an outstanding aesthetic attraction . 观测具有特别的美学吸引力。 |