This paper introduces a compacting-enveloping model of vehicle-soil interaction for explaining the form of the effective roughness of terrain.
提出了一种车辆一路面相互作用的压实-包络模型，以探讨软路面有效不平度形成的机理。
It proves that this prediction model is effective by machining experiments. Using prediction model can predict and control surface roughness under certain condition.
经加工试验证明了该表面粗糙度预测模型的有效性，从而实现加工前在确定切削条件下预测和控制表面粗糙度的目的。
The effective factors of milling force and the machined surface roughness are focused on when high speed milling TC4.
选择了钛合金tc4进行高速铣削试验，重点研究了高速铣削tc 4钛合金铣削力的影响因素及已加工表面粗糙度。
In order to control the wind erosion, the measure to enlarge the stubble height and topsoil roughness is most effective.
为了有效防治农田土壤风蚀，对作物进行高留茬处理和通过各种措施增加地表粗糙度，可以达到最大的防风蚀作用。
The study provided the variation range of paddy field hardpan roughness and the effective frequency of the hydraulic copying system.
试验研究提供了水田沟底不平度变化范围以及可以实用的插秧机液压仿形系统的仿形频次。
The study provided the variation range of paddy field hardpan roughness and the effective frequency of the hydraulic copying system.
试验研究提供了水田沟底不平度变化范围以及可以实用的插秧机液压仿形系统的仿形频次。
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