伞形单元结构体系是一种融建筑艺术与结构技术于一体的新的组合结构形式，具有较高的结构效能和综合经济指标。

Thestructural system of umbrella elements is a new kind of composite structure merging architecture art and structure technology, and has good structural efficiency and comprehensive economic index.

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对建设区域性住宅建筑工程经济指标动态标准化的内容、方案的可行性及其作用进行了阐述。

Then, describes the contents of the dynamic and standardization economic indicators system of regional residential construction engineering, the feasibility of the program and its role.

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该方法可充分考虑不同业主及不同建筑结构抗火设计的不同要求，同时确保火灾发生后建筑物内人员的安全及结构抗火设计的最优综合经济指标。

The general aim, functional aim and the required performance of fire resistance of steel structures are introduced, which can satisfy different owners of different buildings.

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