Any diameter in the circle generatrix may be considered as an axis of a sphere.So, on the spherical surface there are three kinds of latitude-circles .是什么意思_Any diameter in the circle generatrix may be considered as an axis of a sphere.So, on the spherical surface there are three kinds of latitude-circles .在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句