目的了解我国农村欠发达地区空气污染的状况及农村人群对空气污染的实际暴露水平。
Objective To evaluate the levels and characters of indoor and outdoor air pollution in rural areas of China.
在法国，欠发达的农村地区说自己的方言。
In France patois was spoken in rural, less developed regions.
中国正在努力优化教育资源的使用，以使农村和欠发达地区能够得到更多的支持。
China is making efforts to optimize the use of educational resources so that rural and underdeveloped areas can receive more support.
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