Filter material Bio-filter ring, Bio ball and so on.

过滤材料(生物过滤环，生化球等等)。

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Result: The abnormal chromosome rate of bio-engineering cells muted by outer space were: ring chromosome, 10.5%; acenericfragment, 36.75%; triceneric and fourcentric, 13%.

结果：经太空诱变后的生物工程细胞染色体畸变率为：环状占10.5%，无着丝断片占36.75%，三射、四射体占13%。

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In this article, coumarin ring is a creative design which ensures the integrity of the molecule as a whole overall reaction process, improved bio-compatibility.

这篇文章的在香豆素环的设计上很有创意，确保了反应过程中整个分子的整体完整性，保持高分子状态，提高了生物相容性。

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