All other Windows overlap the window at the bottom of the z-order.

所有其他的视窗则覆盖于叠置顺序最底层的视窗。

youdao

In such a scenario, the bottom label would overlap the top one, and descenders from the top label could crash into ascenders from the bottom label.

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Spaces and fluxes overlap and intertwine in our interaction with the city, which can only be shaped through a distributed, bottom-up process.

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