After using the ice storage system and P-S-S separately in an office building in Beijing, it is proved that P-S-S can yield good economic returns.

通过对北京地区某办公楼应用冰蓄冷和潜能储存空调系统，比较得出潜能储存系统具有更好的经济效益。

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Through the analysis of support axial stress actual measurement data compared with design numeric, adjust the design scheme of the support and yield good economic returns.

通过对支撑轴力实测数据与设计值对比分析，调整了支撑设计方案，取得了一定经济效益。

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Certainly Dr Brundtland's previous assembly of wise folk, the World Commission on Environment and Development, did much to persuade companies and countries that investing in sustainable development was not just good for the environment, but might yield economic returns too.

ECONOMIST: International aid