So there are much method to calculate SD. Anymore,for the summer-hot and winter-cold area,sun-shading designers should consider the heat insulation of both summer and winter,but the parameter of SD can not flect both two aspect.
对于夏热冬冷地区来说，建筑遮阳既要考虑夏天隔热又要兼顾冬天保暖，仅一个遮阳系数无法同时反映这两个方面。
参考来源 - 夏热冬冷地区建筑遮阳系统设计及其节能评价·2,447,543篇论文数据，部分数据来源于NoteExpress
China is a famous area for its monsoonal climate in the world. In most places of China, winter is cold and dry, while summer is hot and wet.
中国是世界上著名的季风气候区，大多数地方冬季寒冷干燥，夏季暖热多雨。
In this part, the climate flexibility design strategy in hot summer and cold winter area is summarized.
最后归纳总结了夏热冬冷地区城市广场气候适应性设计策略。
The weather conditions of hot-summer and cold-winter area is not well. Heat in summer and cold in winter both affect the indoor thermal environment.
夏热冬冷地区气候条件不佳，夏季的炎热和冬季的严寒都影响着室内热环境。
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