The study is carried out on-the-spot survey amd research of Pingnan county.
根据上述理论研究，对屏南县进行实证研究。
Objective:To investigate the manganese in tea and relation of tea-drinking habit to manganese intake in Pingnan County.
前言： 目的：了解我县茶叶锰的含量情况及饮茶习惯与摄入量的关系。
Objective:To investigate the manganese in tea and relation of tea-drinking habit to manganese intake in Pingnan County.
前言： 目的：了解我县茶叶锰的含量情况及饮茶习惯与摄入量的关系。
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