To understand the knowledge level of iron, attitude of iron supplementation and the association factors, a street intercept survey method was carried out at the urban bus stations in Beijing.
在北京市区的公共汽车站采用拦截访问调查法，了解被调查者的铁营养知识和补铁态度及与其相关的影响因素。
All were more relaxed and thoughtful than people a reporter might randomly intercept on the street.
这些人全都比记者在街上随机采访的人要轻松，想得更周全。
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