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- 高次P-级数分布higher mode P-progression distribution
- 二次P-级数分布two P- progression distribution
- 二two
- 利用递推法求偶次p-级数的和The Recurrence Formula for Sum of Even Power p-Series
- 二次adratic quadrate
- 非齐次p-调和映射方程组弱驻点解的正则性Regularity for Weakly Stationary Solutions to Inhomogeneous p-Harmonic Map Equations
- 测度的摄动法与幂级数分布的一个强大数定理Perturbation Method of Measurability and A Strong Limit Theorem for Power Distribution
- 齐次p-Laplacian方程homogeneous p-Laplacian
- 二次方程quadratic equation
- 二次曲线conic
- 二次创业start a new undertaking
- 二次回路secondary thermal system
- 二次侧secondaly side
- 二次电池storage battery
- 尽管他一年中到南利兹选区访问仅一到二次，但那儿的选举区一直为他保留着。His constituency at South Leeds was being kept warm for him although he was able to visit once or twice a year.
- 二次方程式quadratic
- 二次曲面conicoid
- 二次能源secondary energy sources
- 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.
- 二次谐波secondary harmonic
