英语语法分析

Moreover, when A is a nondegenerate, symmetric and copositive plus matrix, the sequence converges to a solution of the problem.

此外，当矩阵为非退化对称双正加阵时，该序列收敛。

It's perfectly symmetric.

它是完全对称的。

Physical laws, too, can be symmetric.

物理定律也可以是对称的。