| 1. | 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。 |
| 2. | Center for biodiversity and indigenous knowledge -中国天文观测中心。 |
| 3. | 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。 |
| 4. | Geodesy astronomic observation 大地天文观测 |
| 5. | " i couldnt live with myself knowing that i was responsible for the pains of all those people . 以及其他的有关指导天文观测和星图的书籍,有就帮我留下,只要价格不是太贵,我肯定买。 |
| 6. | This is the kind of " meat and potatoes " information amateur astronomers are eager to glean from an experienced observer 这就是业余天文爱好者渴望从有经验的天文观测员那里得到的主要信息。 |
| 7. | Yet to astronomers , the twinkling of stars caused by unstable atmospheric conditions poses an obstacle to observation 不过对天文学家来说,因大气不稳而导致星光闪烁,却对天文观测构成障碍。 |
| 8. | Infrared astronomy projects around the world in the current and future within 10 years are briefly reviewed in this article 简要综述了目前及未来10年内世界上主要的地面和空间红外天文观测计划。 |
| 9. | 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。 |
| 10. | 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。 |