表面精度；
The model could approximate to the trace surface by given accuracy.
该模型可以按给定精度要求逼近测头中心轨迹曲面。
High accuracy and fine surface quality can be obtained while machining speed is high.
在高速加工时获得了高的加工精度与良好的表面光洁度。
The matching surface must be flat for ultimate accuracy.
采用平坦表面来确保精确度。
The matching surface must be flat for ultimate accuracy.
采用平坦表面来确保精确度。
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