- 非线性 fēixiànxìng nonlinearnonlinear (math.)
- 线性规划 xiànxìngguīhuà linear programming
- 线性图 xiànxìngtú line chart
- 线性方程 xiànxìngfāngchéng linear equationa linear equation in mathematics
- 线性波 xiànxìngbō linear wave
- 线性空间 xiànxìngkōngjiān vector space(math.) vector space; linear space
- 线性算子 xiànxìngsuànzi linear operatorlinear operator (math.)
- 线性系统 xiànxìngxìtǒng linear system
- 直线性加速器 zhíxiànxìngjiāsùqì linear accelerator
- 非线性光学 fēixiànxìngguāngxué nonlinear opticsnonlinear optics (physics)
- 线性代数 xiànxìngdàishù linear algebra
- 线性回归 xiànxìnghuíguī linear regressionlinear regression (statistics)