Chinese words ending with 曲線 (qūxiàn) 曲線 dictionary entry 8 words. 雙(shuāng)曲(qū)線(xiàn) hyperbola 圓(yuán)錐(zhuī)曲(qū)線(xiàn) conic section 二(èr)次(cì)曲(qū)線(xiàn) quadratic curve 平(píng)面(miàn)曲(qū)線(xiàn) plane curve 三(sān)次(cì)曲(qū)線(xiàn) cubic curve 代(dài)數(shù)曲(qū)線(xiàn) algebraic curve 橢(tuǒ)圓(yuán)曲(qū)線(xiàn) elliptic curve 衰(shuāi)變(biàn)曲(qū)線(xiàn) decay curves