求翻译：为优化液压挖掘机工作装置的工作范围和挖掘力性能，并与国外同量级产品作对比，本文开发了液压挖掘机运动学仿真模型，进行运动学仿真得到最大工作范围；对工作装置液压模型进行动力学仿真得到最大挖掘力，通过综合比对，工作装置工作范围与挖掘力性能的多个目标相互存在制约，需要综合考虑挖掘机工作装置的工作范围与挖掘力，可提供几组模型作为企业研发大型液压挖掘机设计依据。是什么意思？

Compared to optimize the performance of the scope of work of the hydraulic excavator working device and digging force and the same order of magnitude with foreign products, developed kinematics simulation model of the hydraulic excavator, the kinematics simulation maximum range; hydraulic model of t

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In order to optimize the hydraulic pressure excavator work installment the operating region and the excavation strength performance, and with overseas made the contrast with the magnitude product, this article has developed the hydraulic pressure excavator kinematics simulation model, carried on the

For optimization hydraulic excavator work device of work range and mining force performance, and and abroad with volume level products made contrast, this article development has hydraulic excavator kinematics simulation model, for kinematics simulation are maximum work range; on work device hydraul

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