Besides, error curve and error ellipse are analyzed.So, it is shown that error ellipse is inutility, and error curve is useful and effective.
对中桩误差曲线和误差分析认为,误差无实际意,误差曲线实用而有效。
Besides, error curve and error ellipse are analyzed.So, it is shown that error ellipse is inutility, and error curve is useful and effective.
对中桩误差曲线和误差分析认为,误差无实际意,误差曲线实用而有效。
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