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EvaluationofMeasuringUncertaintyoftheAutomaticInstrumentforMeasuringLengthGratingsandLineStandardsupto2m(2)RenDongmei;NiuLixin;WangXiaowie;QiAihui;CaoHang上接1998年第18卷第3期第26页3测量光栅尺的合成标准不确定度本仪器测量光栅尺时，采用双干涉光路测量方法，
Evaluation of Measurement Uncertainty of the Auto Adjustment Instrument for Measuring Length Gain and Solid Decanter Tolerance 2, (2) Ren Dongmei; NiuLixin; WangXiaowie; QiAihui; CaoHang on 1998 Vol. 18 No. 3 Page 26 3 Measurement of Scale Synthesis Standard Uncertainty The instrument measuring grating ruler,