一种用于判定螺丝槽穴是否合格的检测工具。英方名：Plug Gauge. 按螺丝槽形分为十字槽插规，米字槽插规，梅花槽插规，内六角插规，四方槽插规。 插规外观
通过对三次样条插值算法的分析和验证得知该方法用于热偶规的非线性校正是合适的，满足真空测量的一般精度要求，具有一定的推广应用价值。
After analysis and validation, we know that this method is suitable for improving nonlinearity, and satisfy the measure accuracy in vacuum measuring, so it have a certain expansion application value.
可用双球规测量装置测得数控机床圆弧插补运动的综合误差。
The multiple motion errors duringcircular interpolation of NC machine tools can be obtained by using double ball bar tester.
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