| 单词 | semi-ellipsis |
| 释义 | > as lemmasˌsemi-eˈllipsis ˌsemi-eˈllipsis n. ΘΚΠ the world > relative properties > number > geometry > curve > [noun] > conic section > ellipse > half of semi-ellipsisa1652 semi-ellipse1733 a1652 S. Foster Elliptical Horologiography (1654) 39 Describe a Semiellipsis to your own Latitude, whose longest Radius let be M O. 1768 J. Ferguson in Philos. Trans. 1767 (Royal Soc.) 57 392 Right lines..shall cut the semi-ellipsis in those points through which the hour-lines must be drawn. < as lemmas |
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