- 曲线图 qūxiàntú line grapha graphical representation of data as a series of points connected by lines to show trends or changes
- 双曲线 shuāngqūxiàn hyperbola
- 圆锥曲线 yuánzhuīqūxiàn conic section
- 二次曲线 èrcìqūxiàn conica quadratic curve or conic section in geometry, such as a circle, ellipse, parabola, or hyperbola
- 曲线救国 qūxiànjiùguó pseudo-collaborationTo ostensibly collaborate with the Japanese during the Sino-Japanese War while secretly working for the Nationalists or against the Communists.
- 曲线论 qūxiànlùn theory of curvesthe theory of curves
- 曲线锯 qūxiànju jigsaw
- 椭圆曲线 tuǒyuánqūxiàn elliptic curve(math.) elliptic curve
- 三次曲线 sāncìqūxiàn cubic curvea cubic curve in geometry
- 衰变曲线 shuāibiànqūxiàn decay curvedecay curves
- 代数曲线 dàishùqūxiàn algebraic curve(math.) algebraic curve
- 双曲线正弦 shuāngqūxiànzhèngxián hyperbolic sinehyperbolic sine or sinh (math.)
- 平面曲线 píngmiànqūxiàn plane curve(mathematics) a curve that lies entirely within a single plane
- 曲线拟合 qūxiànnǐhé curve fittingthe mathematical process of constructing a curve that has the best fit to a series of data points