dissimilar

a. 不同的

Similarity of structure between organs or parts, possibly of dissimilar function, that are related by common descent.

同构发生，同源发生源于同一祖先，可能功能不同的器官或部分在结构上的相似

The quality or condition of being unlike or dissimilar.

不同，相异性质或条件上的不相同或不一致