...a survey of Britain's ethnic minorities.是什么意思？

...a survey of Britain's ethnic minorities.

对英国少数民族的调查

survey

vi. 测量土地；vt. 调查，勘测，俯瞰；n. 调查（表），调查所，测量，测量部，测量图，概观，检查，鉴定书，环顾；

例句
With the caveat that almost every figure in this survey is suspect, it can at least be said that the world travel and tourism industry is huge...
尽管事先声明此项调查报告中的每个数字都不可靠，但至少可以说，世界旅游观光业的市场庞大。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

ethnic

adj. 种族的，部落的，某文化群体的；n. 少数民族的成员；

例句
He acknowledged that Mr Taylor's colour and ethnic origins were utterly irrelevant in the circumstances.
他承认在这种情况下泰勒先生的肤色和种族出身完全无关紧要。

minorities

n. 少数( minority的名词复数 )，小部分，少数民族，未成年；

例句
Attempts to limit family size among some minorities are likely to cause problems...
试图在某些少数民族地区限制生育可能会引起问题。