This is a very heterogeneous group.

这是一个非常多样化的群体。

Fungi is believed to be a heterogeneous group and developed from several origins.

真菌在亲缘上是一个异质的类群，有着不同的起源。

But the hardest thing about selling to older people is that they are such a heterogeneous group.

但是销售给老年人产品最难的事情在于他们是一个混杂的群体。

Pecfinase is a heterogeneous group of related enzymes that hydrolyze the pectic substances.

果胶酶是指分解果胶物质的多种酶的总称。

Depressive disorders are a heterogeneous group of conditions that share the common symptom of dysphoric mood.

性疾患包括一组具有心情忧郁这一共同症状的若干情况。