Folk residential house with yard is the essence of traditional building. There are good air quality and comfortable thermal environment in it.
庭院式(四合院式、合院式)民居是传统民居建筑的主体和精华、院内有好的空气质量，热环境舒适。
The residential thermal environment is worse in the mid and down reach of Yangzi River areas with hot summer and cold winter, especially that of the west direction in building.
我国长江中下游夏热冬冷地区居住热环境较差，其中西向热环境尤为恶劣。
The residential thermal environment is worse in the mid and down reach of Yangzi River areas with hot summer and cold winter, especially that of the west direction in building.
我国长江中下游夏热冬冷地区居住热环境较差，其中西向热环境尤为恶劣。
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