投影幾何 Save Sign in to save words Simplified: 投影几何 tóuyǐngjǐhé ㄊㄡˊ ㄧㄥˇ ㄐㄧˇ ㄏㄜˊ projective geometry Tw Character by character 投(tóu)throw 影(yǐng)picture 幾(jǐ)how many 何(hé)surname He A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0