Method The local dietary investigation and general nutrition assessment method were employed.
方法采用实地膳食调查和一般性营养评价方法。
The range and content of general investigation were analysed, and the technology index, method and step of general investigation were explained.
分析论述了普查的范围和内容，对普查的技术指标、方法及步骤做了详细介绍。
The range and content of general investigation were analysed, and the technology index, method and step of general investigation were explained.
分析论述了普查的范围和内容，对普查的技术指标、方法及步骤做了详细介绍。
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