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- 三次三角Bézier曲线（CT-Bézier曲线）cubic trigonometric Bézier curve (CT-Bézier curve)
- 二次三角Bézier曲线quadratic trigonometric Bézier curve ( QT-Bézier curve)
- 有理二次Bézier曲线rational quadratic Bézier curve
- 带参数的二次三角多项式样条曲线Quadratic Trigonometric Polynomial Curves with Shape Parameter
- 一类具有形状参数的二次三角多项式曲线A class of quadratic trigonometric polynomial curves with a shape parameter
- 代数双曲三角Bézier基algebraic trigonometric hyperbolic Bézier basis
- TC-Bézier曲线TC-Bézier curves
- 分次三角矩阵环的性质Properties of Graded Triangular Matrix Rings
- 美国家庭主妇可能一星期只购物一、二次。The American housewife probably goes shopping only once or twice a week.
- 半定二次型semidefinite quadratic form
- 每周二次的biweekly
- 本原二次型primitive quadratic form
- ｒ重奇异二次曲面r-fold singular quadric
- 按二次导数调节second derivation control
- 不定二次型indefinite quadraticform
- 二次准则quadratic criterion
- 二次样条quadratic spline
- 二次迭代quadratic iteration
- 凹二次规划问题concave quadratic programming problem
- 半定二次形式semidefinite quadratic form
