通过合理地选择坐标轴，使对称连杆曲线的离散数据满足共轭对称性。

By properly setting the coordinate axis, the discrete data of a symmetric coupler curve are made to satisfy the conjugate symmetry.

youdao

通过合理地选择坐标轴，使对称连杆曲线的离散数据满足共轭对称性。

By properly setting the coordinate axis, the discrete data of a symmetric coupler curve is made to satisfy the conjugate symmetry.

youdao

指出了分组密码的多次迭代使对称置换结构复杂化，可以选择对称置换作为分组密码算法的扩散部分来设计。

This paper shows that Hi-times substitute makes permutation structure more complicity, so symmetrical permutation can be chosen as the diffusion module in block cipher algorithm design.

youdao