| 1. | The error in azimuth must be controlled by astronomical observations for azimuth(and longit ude) .
方位误差必须观测天文方位角（及经度）来控制。 |
| 2. | Mackie concluded that ancient people probably built the ledge as an astronomical observation platform .
麦凯断定，古人筑起这个凸岩大概是为了作天文观测台用的。 |
| 3. | A number of astronomical observations and experimental result were known to newton when he first tried to understand the dynamics of bodies .
当牛顿首先试图去了解天体的力学问题时，他已经知道了许多天文的观测及实验结果。 |
| 4. | Astronomical observation and theory provide some general clues
天文观测和理论提供了几条一般性的线索。 |
| 5. | There are big errors in the astronomical observations for testing gr
笔者将讨论一种新引力理论的方案。 |
| 6. | They are able to do so because these records use both compass bearings and astronomical observations to locate a vessel
他们之所以能够那样做，是因为这些原始记录同时使用了罗盘方位于天文观察来定位一艘航海船。 |
| 7. | Early operations included meteorological and magnetic observations , a time service based on astronomical observations and a tropical cyclone warning service
早期的工作包括气象及地磁观测根据天文观测报导时间和发出热带气旋警告等。 |
| 8. | Early operations included meteorological and magnetic observations , a time service based on astronomical observations and a tropical cyclone warning service
早期的工作包括气象及地磁观测、根据天文观测报导时间和发出热带气旋警告等。 |
| 9. | While the first astronomical observation on satellite altitude in china has generated many encouraging results , there is still plenty of room for improvement
中国首次在轨道进行的天文观测虽然带来许多令人鼓舞的结果，但仍有不少可以更进一步。 |
| 10. | The existence of black holes in the universe is well supported by astronomical observation , particularly from studying supernovae and x - ray emissions from active galactic nuclei
天文学观察很好地支持了宇宙中黑洞存在,特别从研究来自活跃的银河核心超新星和x光辐射。 |
