科学是如何成为认识工具的？

How does science become to cognition tool?

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认识工具——人体感官及其延伸器(人制造的产品)。

Tools for cognition include human sense organs and extending ones, such as man-made products.

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模糊方法起源于数学，但是对于不确定性更强的文学是更有效的认识工具。

The fuzzy theory originates from mathematics, yet it is a more effective cognitive instrument to obscure literature.

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