商品住宅中，中低价位、中小套型住宅供应比例偏低。

Commercial residential, mid - and low-priced, small amount of land has been set aside for the relatively low percentage of housing supply.

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主要定量论述了住宅套型设计中各种档次各种功能房间的合理尺寸。

This article presents a quantitative analysis of the rational size of room with various functions in housing design.

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具体作了以下一些工作：1本文针对3种不同开间、柱距、平面布置形式的建筑套型，考虑不同抗震设防要求，进行常见的6层、12层、18层住宅的结构设计分析。

The detail is in the below: 1 Structural design analysis of steel structure residence at the story of 6, 12, 18 is made under 3 kinds of suite pattern considering different earthquake design levels.

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