科教城市
科教城市-
选择呼和浩特市居民区、科教区、城市公园、商业区、道路、工业区和开发区为研究对象，共采集62个样品。
The residential areas , cultural and educational areas , city parks , commercial areas , urban roads , industrial zones , development zones in Hohhot were taken as the research objects , the soil samples were randomly collected by triple subsampling technique in each functional zone .