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- A large reflect meridian circle is an instrument for the absolute determination of the declination and right ascension of a star. 大型反射子午环是用来绝对测定恒星赤经和赤纬的仪器。
- Keywords astrometry,meridian circle,CCD,control system,data processing; 天体测量;子午环;CCD;控制系统;数据处理;
- The passage of a celestial body across the observer's meridian. 凌日,一个天体经过观测者的最高点。
- Having the back showing or in view of the observer. 背面的显露出背面的或背对观察者的
- They sent her there as an observer. 他们派她去那做观察员。
- the meridian circle 子午环
- They spend the winter(s) in a warmer climate. 他们在气候较暖的地方过冬。
- Most plural nouns in English end in "s". 英语的复数名词多以“s”结尾。
- The sweater had shrunk after repeated washing(s). 这件套头毛衣洗过多次已缩水了。
- Some old folk(s) have peculiar tastes. 有些老人有特殊的爱好。
- meridian circle 子午圈,顶点; 高潮,全盛期; 子午环
- Answer the following question(s). 回答下列问题。
- Most plural nouns in English end in s'. 英语的复数名词多以s结尾。
- The drug affects one's power(s) of concentration. 这种药影响人精神不能集中。
- horizontal meridian circle 水平子午仪
- Here are the designs. Which one(s) do you prefer? 这就是那些图样.;你喜欢哪一个[些]?
- Which journal(s) do you subscribe to? 你订阅哪一种杂志?
- The driver is a poor observer of speed restrictions. 这个司机是个不遵守速度限制的人。
- portable meridian circle 轻便子午环
- The novel had an enormous vogue in the 1930's. 这本小说在三十年代曾广为流传。