访问是相切的曲线和空间是指内地，而“公共空间的客厅”，是透明的，看到外面的灌木丛，以查看。

The access is tangent to the curve and the Spaces refer to the interior, while the "public space" of the living room, being transparent, sees outside with a view to the thicket.

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特别地，这个空间可以由摄影球丛具有平坦的叶状结构的水平分布来刻划。

In particular, the space is characterized by horizontal distribution of projective sphere bundle to have flat foliation.

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然后，我们将看到微分同胚群作用下的辛商为特殊子流形模空间上的以环面为结构群的丛。

And then we will see that in the framework of diffeomorphism group the symplectic quotient is torus bundle over the moduli space of special submanifold.

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