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1·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。

2·Dewar is an important component of the astronomical observation.

摘要杜瓦瓶是天文观测中重要的终端设备部件。

3·Silicon diode array is more and more widely used in astronomical observation.

硅二极管阵在天文观测中的应用已日趋广泛。

4·In the meantime, they achieved great successes in their astronomical observation.

同时春秋人在天文观测方面亦成果显著。

5·The total precipitable water in atmosphere is astronomical observation and meteorology.

大气总水汽量是天文观测和气象科学领域最为重要的参量之一。

6·As early as in 2500 BC, Chinese began astronomical observation and geographical survey.

早在公元前2500年，中国人就开始了仰观天文，俯察地理的活动。

7·Improvements in astronomical observation technology have moved us from retail to wholesale planet discovery.

天文观测技术的进步令我们可以成批发现行星。

8·With perfect observing conditions, the Moon will be the principal astronomical observation platform in the solar system.

由于具备最理想的天文观察条件，月球将建设成太阳系最重要的天文观察平台。

9·In astronomical observation, they choose 12 animal signs corresponding to each shichen according to the living habits and the time of activity of the animals.

同时他们在观天象时，依照十二种动物的生活习惯和活动的时辰，确定了与时辰相对应的十二生肖。

10·Such ceremony has comparatively fixed dates of action and the places of worship, characteristic of earlier astronomical observation of the movement of the sun shadows.

这种仪式有比较固定的行事日期和祭祀场所，带有测度日影的早期天文学观察性质。