| 1. | 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。 |
| 2. | Its low amplitude makes it less important as a source of disturbance in magnetic prospecting than the solar component .
作为磁法勘探中的干扰源，它的幅度很小，所以远不及太阳日变分量那么重要。 |
| 3. | People can ' t see the sun all day and all night
特罗姆瑟人把这一天叫做“太阳日” 。 |
| 4. | And the sun rises like always
太阳日复一日地升起 |
| 5. | Magnetic solar daily veariation
磁太阳日变 |
| 6. | Mean solar day
平太阳日平均太阳日 |
| 7. | Due to the revolution of the earth , a solar day is longer than a sidereal day
由于地球公转的关系，一个太阳日比一个恒星日长。 |
| 8. | They tracked natural cycles : the solar day , the lunar month and the solar year
他们遵循自然的循环：太阳日、太阴月，还有太阳年。 |
| 9. | Approximately , a year has 365 solar days but 366 sidereal days . do you know why
一年中大约有365个太阳日，但却有366个恒星日，你知道原因吗？ |
| 10. | He is the first known astronomer on that continent to have used a continuous system of counting solar days
他是所知的第一位南亚次大陆天文学家使用持续的系统去计算太阳日。 |
