| 1. | A necessary and sufficient condition on diffeomorphisms 关于微分同胚的一个充分必要条件 |
| 2. | Sufficient and necessary conditions of multiplicative convex functions 积性凸函数的充分必要条件 |
| 3. | Theorem 1 and are equivalent infinitesimals if and only if 定理1与是等阶无穷小的充分必要条件为 |
| 4. | Sufficient and necessary conditions for a finite group to be solvable 有限群可解的若干充分必要条件 |
| 5. | On the definition of life and the prerequisite of the origins of life 生命的定义和生命起源的充分必要条件 |
| 6. | A string is true if and only if its length is non - zero . in 字符串的值为真的充分必要条件就是字符串的长度不为零。 |
| 7. | Nonlinear matrix equation ; positive definite solution ; necessary and sufficient condition 非线性矩阵方程对称正定解充分必要条件 |
| 8. | A sufficient and necessary condition for the solvability of general total least squares problem 广义完全最小二乘问题可解的充分必要条件 |
| 9. | A note on necessary and sufficient conditions for the jacobi matrix inverse eigenvalue problem 矩阵的特征值反问题可解的充分必要条件的一个注记 |
| 10. | The sufficient and necessary conditions of weak efficient solution for a class of vector extremum problems 关于一类向量极值问题弱有效解的充分必要条件 |