单词 semispheroid 释义 semispheroid[semi- 7 a.]Half a spheroid.1775Ash, Semispheroid.1798Hutton Course Math. II. 325 In the semisphere, or semispheroid; the distance from the centre is 3/8r, or 3/8 of the radius.Hence semispheroidal a., of the form of a...