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2013-05-23 12:21
求翻译：in the technology of buildings,every structure must work against gravity,which tends to pull everything down to the ground .a balance must therefore be attained between the force of gravity,the shape ofthe structure,and the strength of the material used.是什么意思？ 待解决
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in the technology of buildings,every structure must work against gravity,which tends to pull everything down to the ground .a balance must therefore be attained between the force of gravity,the shape ofthe structure,and the strength of the material used.
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