...新量点法；透视图尺 中图分类号：TU 204 文献标识码：A 文 章 编 号：1003-0158(2008)05-0121-04 [gap=1052]Key words: engineering graphics; two-point perspective; new measuring point method; perspective ruler ..
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A new method of the single point measuring to calculate the grating phase-shift phase was proposed.
提出了一种新的计算光栅相移量点测量法。
Aimed at the characteristic of bigger single point location error, a new measuring method using two points relative location measurement to reduce location measurement error was put forward.
针对单点定位误差比较大的特点，提出了用两点相对定位的测量方法来减小定位误差。
A new scheme is introduced for measuring cylinder linearity error-two point method.
采用一种测量圆柱体轴线直线度误差的新方案——两点测量法。
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