以下为句子列表：
英文: A linear programming model for the shape optimization of arch dams is established to minimize the maximal tensile stress of the arch dam.
中文: 摘要以最大主拉应力最小作为目标函数，建立了拱坝体型优化设计的线性规划模型。
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英文: Besides, silicon substrate is bent by applying external mechanical stress, the lattice of channel will have strain due to uniaxial tensile stress by NMOS and strain due to uniaxial compressive stress by PMOS.
中文: 但微影技术已经接近瓶颈，所以我们必须另外寻找能够提升电晶体效能的方法，应变矽就是目前提升电晶体性能最热门的方法。
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英文: However, the stud welding roots in the negative moment region of the beam are often subjected to the joint action of shear stress cycling of the studs and tensile stress cycling of steel girder flanges.
中文: 但在负弯矩处栓钉焊趾往往承受栓钉剪应力循环和钢梁翼缘拉应力循环的共同作用。
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英文: Tensile strength corresponds to the maximum tensile stress that may be sustained by a specimen.
中文: 抗拉强度是指样品可能承受的最大拉伸应力。
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英文: The shape of cross section of gravity dams under basic loads was optimized from an initial quadrilateral region with the stability of dam bodies against sliding and the tensile stress in dam heels taken as restraints.
中文: 以四边形为初始域，以重力坝的稳定和坝踵拉应力为约束条件，对基本荷载作用下的重力坝基本断面形状进行优化。
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