The market for luxury goods and services is highly stratified .

奢侈品与服务的市场是高度分层的。

Public statistics are both socioeconomic and environmental , and stratified into infinity .

公共统计既有社会经济也有环境方面的，并无限分层。

Stratified combustion can extend the lean combustion limit to very lean region .

分层燃烧可使稀燃极限延伸到很小的当量比。

Cities were stratified according to socio-economic caste .

城市层级森严，根据社会经济地位进行划分。

Chile remains highly stratified despite wider access to education .

尽管教育更加普及，但社会分化仍然十分严重。