以下为句子列表：
英文: A mechanical model of conical part stamping process is built under the conditions of considering thickness variation, anisotropy, work-hardening, friction factor and so on.
中文: 摘要在综合考虑板厚变化、各向异性、加工硬化及摩擦等因素的情况下，建立了圆锥形件冲压成形过程的力学模型。
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英文: A mechanical model of human finger is set up according to the human anatomy.
中文: 摘要根据人体解剖结构建立了手指机构学模型。
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英文: Based on the theory of hydraulic cylinder design and physical properties of MRF, a mechanical model of MRF dampers with mixed mode of pressure-gradient flow and shear flow in a single cylinder was developed, the parameters of MRF dampers were simulatively
中文: 摘要基于液压流体力学的液压缸设计理论，由磁流变液的物理性质建立了单筒压差流动和剪切流动混合模式磁流变液阻尼器的力学模型，用数值计算方法对磁流变液阻尼器的参数进行了模拟仿真研究，求得缸体和活塞之间的缝隙、活塞的运动速度及磁流变液的粘性系数与阻尼力之间的关系，确定了最佳的磁流变液阻尼器设计参数。
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英文: By establishing force equilibrium equations, a mechanical model for calculating the friction on the string is set up, and the analytical formulas for calculating the hook load and wellhead torque when the string is tripped in.
中文: 通过建立管柱受力平衡方程，推导出水平井管柱入井时摩阻计算的力学模型，分析计算了在稳定和旋转方式下管柱入井时的大钩载荷和井口扭矩等重要技术参数的解析公式。
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英文: Due to the difference in stress paths between the loading and unloading conditions, it is unsuitable to apply mechanical model under loading condition to stability of tunnel excavation.
中文: 由于岩体在加载和卸载条件下应力路迳的不同，仅采用加载条件下所建立的力学模型来研究隧道的开挖稳定性问题是不适合的。
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