Exchanging substances between capillaries and histiocytes is the main function of microcirculation. Even though, its precise mechanism has not been illustrated so far.

此外，微循环的主要功能是在毛细血管和组织细胞之间进行物质交换，微循环调控的精确机制还未得到阐明。

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Certainly, we did not deny that the fairy tale has the educational function, but the main should be its esthetic function.

当然，我们不否认童话有教育功能，但童话最主要的是其审美功能。

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It "has no legislative power and its main function is to 'advise' the pope, " he said.

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