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1 概述依据JJG191-1979《水平仪检定器》检定规程，根据规程的要求，使用立式光学计配上不同尺寸的量块对水平仪检定器的分值进行检定。2 建立数学模型，列出不确定度传播率2.1 数学模型水平仪检定器的示值计算公式为 N= (1)式中：N——检定
1 Overview According to the JJG191-1979 “Level Verifier” verification procedures, according to the requirements of the procedure, the use of vertical optical instrument with different size of the block to check the level of the Verifier. 2 to establish a mathematical model to list the rate of spread of uncertainty 2.1 Mathematical Model level indicator shows the value of the formula N = (1) Where: N-- test