In this thesis, the FEM stress analysis and strength design criteria, multi-axes strength theory and computation, limit load analysis method of arch DAMS are concerned.

本文结合工程实际，在拱坝有限元应力分析方法与强度设计准则、多轴应力强度安全计算、拱坝极限荷载分析理论和方法等方面开展研究。

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It plays a significant role in the analysis of pressure vessel and design of pipes that limit load is adopted as an important parameter to reflect bearing capacity of the structure.

将结构的极限载荷作为反映结构承载能力的一个重要参量，在压力容器及管路的分析设计中具有重要的意义。

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Because of the limit of energy, the aim of the design of routing protocols is to save energy and balance load of nodes, thus to prolong the lifetime of the network.

受能量有限性的限制，无线传感器网络路由协议设计的主要目标是降低能量消耗和促进负载平衡，延长网络的生命周期。

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