diffusion effect的用法和样例：
例句
- Diffusion is a process surely occurring during the preduction of coalbed gas.
扩散作用主要影响煤层气井的早期产量。 - A new block cipher is designed where the diffusion of matrix multiplication is combined with the confusion of specially designed matrix operation to encrypt information.
摘要设计了一种新的分组密码算法，该算法利用矩阵乘法的扩散作用与专门设计的一种拒阵运算的混乱作用实现对信息的加密。
