求翻译：保障人口的顺畅流动、提供足够的环境空间、降低热岛效应、峡谷风效应、采光不足与幕墙光污染等的负面影响，都是需要考虑的问题。是什么意思？

The smooth flow of the protection of the population, providing enough space for environment, reduce the heat island effect, the negative impact of the canyon wind effects, inadequate lighting and curtain wall light pollution are issues to be considered.

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The safeguard population smooth flowing, provides the enough environment space, falls the low heat island effect, the canyon valley breeze effect, the natural lighting insufficiency and the curtain wall light pollution and so on the negative influence, all is the question which needs to consider.

Guarantee smooth movement of people, the provision of adequate environmental space, reducing the heat island effect, canyons wind effects, negative effects of inadequate lighting and curtain wall, such as light pollution, are problems that need to be taken into account.

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