在大多数国家植物是含硒元素的主要食物。

Plants are the major dietary sources of selenium in most countries.

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硒是含硒蛋白的一个组份，有维持酶蛋白催化功能的作用。

As a constituent of selenoprotein, selenium help maintain the catalytic function of this protein.

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研究了魔芋中硒的赋存形态、分布及含硒多糖的提取分离技术。

The combined forms and distribution of selenium as well as polysaccharide extraction technology were studied in this paper.

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