毒理学研究体系策提供科学依据。的翻译：Toxicological study on system policies provide the scientific basis. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Toxicology research system to provide a scientific basis for policy.

Toxicological study on system policies provide the scientific basis.

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Toxicology Research System Policy provides a scientific basis.

Toxicological study on system policies provide the scientific basis.