增加结构设计的安全性需要从结构构件承载能力的安全度、结构整体牢固性和结构耐久性等多方面努力 ，这三者都应提高 ；
To enhance the structural safety, efforts shall be made in aspects such as structural robustness and durability as well as safety margin for structural members.
增加结构设计的安全性需要从结构构件承载能力的安全度、结构整体牢固性和结构耐久性等多方面努力 ，这三者都应提高 ；
To enhance the structural safety, efforts shall be made in aspects such as structural robustness and durability as well as safety margin for structural members.
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