以下为句子列表：
英文: An analytical model is established for axisymmetric parts in deep drawing.
中文: 摘要建立了轴对称件拉深侧壁起皱的数学模型。
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英文: Based nit the definition of production decline rate, the multifactor analytical model for composite decline rate is developed, which discusses affecting factors stub as the startup well number, water cut, producing fluid thickness, pressure, relative prod
中文: 摘要从产量递减率定义出发，首先导出了综合递减率与开井数、含水、产液厚度、压力、相对产液指数、井网密度、表皮系数等多因素分析模型。
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英文: Based on the analytical model of the generalized force spectra of the first mode of typical lattice towers in along-wind direction, simplified empirical formulae to evaluate along-wind dynamic responses of lattice towers under wind load are proposed in th
中文: 摘要基于格构式塔架顺风向一阶广义荷载谱解析模型，提出了格构式塔架顺风向风振响应简化计算公式，这些简化公式将求格构式塔架顺风向风振响应的复杂积分变为简便的代数运算。
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英文: In order to study the deformation and rolling force during finishing of steel flats, an analytical model based on elastic plastic finite element method was established to simulate systematically the whole finishing process.
中文: 摘要为研究扁钢精整过程中的变形和轧制力的变化规律，利用弹塑性有限元方法建立了扁钢精整过程的分析模型，系统地模拟了扁钢精整的全过程。
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英文: Multi body dynamic differential equations are combined with the equations of the unsteady dynamic inflow model to establish the complete unsteadily aeroelastic coupling analytical model of the tiltrotor.
中文: 结合动力人流，研究了直升机模式下倾转旋翼机非线性非定常气弹耦合动力学特性。
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