... eccentricity error 偏心误差 eccentricity of lens 透镜偏心率 echelette grating 红外光栅,小阶梯光栅 ...
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Then the eccentricity of the sphere side of the tested lens is measured according to the principle of the spherical eccentric measurement.
再利用球面偏心测量原理检测被测透镜球面一面的偏心量,即可以求得被测非球面透镜的光轴共轴度。
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