Some of the surveys included only college students; others were done with a mixed-age population.

有些调查只包括了大学生群体；其他的则针对各个年龄段的人群。

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With half its population foreign born, Vancouver is one of the most ethnically mixed cities in North America, and it shows in the local restaurant scene.

温哥华有一半的人口来自国外，是北美地区民族最为混杂的城市之一，当地的饭店景象也展现了这一点。

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Dr Gerome Breen of king's College London has been working in Brazil, a country in which 86 per cent of the population are mixed-race, whether they look white or black.

伦敦国王学院的杰罗姆·布林博士一直在巴西工作。那个国家86%的人口是混血族，不管他们看上去是黑还是白。

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Diplomats and observers warn that this could be the deadliest phase of the war, as the army tries to target the rebels mixed in the civilian population.

VOA: standard.2009.04.06

And it's mixed population there.

我们国家的人口也很多元化。

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Iraq has a mixed population, mostly Arab with some Kurds and Turkmens.

CNN: UAE may be first Arab nation to restore full ties with Iraq

Observers say the town, which has a mixed population of Sunni Arabs and Turkmen, is an area used by insurgents crossing the Syrian border in both directions.

BBC: Iraq intelligence academy chief Ali Aouni killed

The mixed-race population has increased, due to both inter-racial marriages and Census Bureau forms in the past two headcounts that allow people to identify themselves as more than one race.

WSJ: Population Leaves Heartland Behind