【正文】
of nutrients ponent。 and the contents of nutrient ponent and trace elememt is highter than other vegetables with the exception of total sugar and copper, respectively. The result contributes to science evidence and reference of vegetable value of stem of sweet potato.Keywords: stem of sweet potato。 nutrients。 trace element。 analysis.以上均為小五 外文均為 Times New Roman綜述、外文翻譯與論文格式基本相同,但需注意一線幾點(diǎn):頁眉、字體要求:綜述:河北科技師范學(xué)院2006屆專業(yè)文獻(xiàn)綜述 宋體 六號(hào)(摘要字?jǐn)?shù)大于100個(gè)字)外文翻譯:河北科技師范學(xué)院2006屆外文翻譯 宋體 六號(hào)