There is slightly more selenium in some counties of Songnenplain, where is also a part of the low-selenium regions.

松嫩平原的某些县含硒量稍高，但亦属低硒地区。

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There is slightly more selenium in some counties of Songnenplain, where is also a part of the low-selenium regions.

松嫩平原的某些县含硒量稍高，但亦属低硒地区。

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