English translation for "fourth contact"

日、月食的)复圆

Related Translations:

fourth:  n.每月的四日；【音乐】四度音程，四度和音，第四音； 〔pl.〕 【商业】四级品。 a fourth part 四分之一。 the (glorious) F- ＝ the F- of July 美国独立纪念日。

fourth terrace:  四级阶地

fourth floor:  五楼在一

fourth quarter:  第四节

fourth world:  第四世界(泛指资源贫乏的发展中国家)。

fourth cataract:  第四瀑布

fourth parry:  第四姿势防守

fourth molt:  四眠

fourth crusade:  第四次十字军东征

fourth industry:  第四产业

Example Sentences:

1.

Even with the much closer venus , the observations were tricky ; it was crucial to know the exact geographic positions of the observing stations and to accurately time the four “ contacts ” between venus and the sun . ( the first and second contacts occur at ingress , when venus ' s disk touches the sun ' s from first the outside and then the inside ; the third and fourth contacts occur at egress . ) but the potential payoff from the observations would be enormous 即使是距离近得多的金星，这个测量也不容易；必须要知道观测站确实的地理位置，且要能准确测定凌日时金星和太阳发生四次接触的时间（第一和第二次接触发生在初切，即金星的盘面由外然后再内接触到太阳盘面；第三和第四次接触发生于终切） 。

Similar Words：

"fourth class cabin" English translation, "fourth class techniques" English translation, "fourth coalification jump" English translation, "fourth coccygeal vertebra" English translation, "fourth committee" English translation, "fourth cosmic velocity" English translation, "fourth costal cartilage" English translation, "fourth court of supreme court of justice" English translation, "fourth cranial nerve" English translation, "fourth cranial nerve disease" English translation