heterogeneous group

基本解释

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。
By contrast a popular culture is a large heterogeneous group often highly individualistic and constantly changing.
相反，大众文化是包含不同种族的大群体，通常高度个性化而且不断在变化。
It is difficult to imagine such a heterogeneous group finding issues on which their joint interest is at the expense of the global interest.
很难想象这样一个混杂的集团能够找到一个牺牲全球利益、获取联合利益的议题。

异质群体
As a speciaIly heterogeneous group, LD children have attracted substantialrcsearch attention.
学习困难儿童是一个特殊的异质群体，已引起世界各国人们的普遍关注。
管理学
异质群体
LD students is a specially heterogeneous group, and the problem of learning disabilities is a common problem to those countries that are preceding free educational system.
学习困难学生是一个特殊的异质群体，学习困难问题是世界上每一个实施义务教育制度的国家普遍存在的问题。
物理学
异质小组