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本文针对检定与测试结果末位数为2的整数倍(或修约间隔有效数字为2)的数值修约问题,提出一种简便易行的修约方法——“2、5间隔”修约法。
In this paper, aiming at the problem of rounding off the number of rounding test and test results by an integer multiple of 2 (or the effective number of rounding interval is 2), a simple and easy method of rounding off - “2,5 interval” rounding off .