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。
It proves that this prediction model is effective by machining experiments. Using prediction model can predict and control surface roughness under certain condition.
本文对超越性现象产生的条件、规律进行了试验和理论分析，丰富了超声波振动切削理论。
In this paper, the experiments and theoretical analyses are made about the occurring conditions and regularities of this phenomenon, which enriches the ultrasonic vibration cutting theory.
试验中发现了若干表现密度与切削阻力关系分散性的某些特点的现象。
Some phenomena were noted during the tests indicating certain characteristics of the scatter of the density-cutting resistance relation.
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