A suitable sun-shading design can improve the indoor thermal environment, but the window with the sun shading has a negative effect on the room's lighting and ventilation.

合适的遮阳设计可以改善建筑的室内热环境，但窗口设置遮阳之后，对房间的采光和通风产生不利的影响。

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Otherwise, because of good lighting and ventilation function, more and more internal constructions begin to choose this kind of window with the open method.

另外，由于这种窗型具有良好采光性能和合理的空气流通性能，越来越多的国内建筑也开始选用这种开启方式的门窗。

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