| 1. | Solar irradiance decreases towards the poles . 太阳辐照率向两极递减。 |
| 2. | Such a tilt is unusual in the solar system . 这样的倾斜在太阳系中不常见。 |
| 3. | One solar radius equals 696, 000 kilometers . 一个太阳半径等于696,000公里。 |
| 4. | Solar radiation is least in january . 1月份太阳辐射最小。 |
| 5. | Two further aspects of the solar system are notable . 太阳系具有下述两个显著特征。 |
| 6. | There is no doubt they are responsible for solar energy . 这就是太阳的能量,毫无疑问。 |
| 7. | This paper was conceived in a deep solar minimum . 这篇论文是在太阳活动极小年臆想出来的。 |
| 8. | The time when a solar eclipse will occur can be calculated . 日食发生的时间可以推算出来。 |
| 9. | Bigger doubled his fist and struck his solar plexus . 别格捏紧拳头,敲打自己的太阳神经丛。 |
| 10. | A sidereal day is about 4 minutes shorter than a solar day . 一个恒星日比一个太阳日大约短4分钟。 |