胶质，凝胶，气泡儿，沸腾和冷却，这些只是宇航员通过这个实验台所要学习的部分范畴。

Colloids, gels, bubbles, boiling and cooling are just a few of the long list of areas astronauts will study using the fluids rack.

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亚里士多德哲学比较深刻地研究了整体与部分范畴以及它们之间的关系，并在一定程度上认识到了整体与部分的辩证法。

And then Aristotle made the penetrating study on the categories and the relationship between whole and part. Besides, he realized the dialectics of whole and part to a certain extent.

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一个部分有序的集合可以作为一个范畴。

A partially ordered set can be represented as a category.

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