Many methods of generating electron beams use rotationally symmetric structures.

产生电子束的很多方法都用到了旋转对称结构。

The five-pointed Star on the red flag is axially symmetric.

红旗上的五角星是轴对称的。

A network with a symmetric matrix is ​​called a reversible network.

矩阵对称的网络被称为可逆网络。

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。

SMP, or symmetric multiprocessing.

即对称多处理(symmetric multiprocessing)。

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。

Generates a random session symmetric key.

生成随机会话对称密钥。