The functions, distinguishing features, dynamic analysis and applications of digital stimulation of hydraulic position control system for a walking type transplanter are discussed.

阐述了手扶机动插秧机液压仿形系统的功能、特点、设计依据、动态分析、数字仿真及评价指标。

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A set of electro hydraulic servo control system was designed suitable for cervical traction chair and it was proved to be effective through MATLAB stimulation.

利用电液伺服控制技术，设计一套适用在颈椎牵引椅中的电液伺服控制系统，通过M ATLAB软件对系统进行仿真，最终获得较好的控制效果。

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In this paper, three kinds of stimulation technology are summarized, and there are hydraulic fracture, exploding fracture, and compound fracture technology.

本文主要总结了三大类改造增产技术：水力压裂技术、爆炸压裂技术和复合技术。

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Recent shale gas wells are primarily horizontal and need artificial stimulation, like hydraulic fracturing, to produce natural gas.

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