一个检测结果的准确表达一般应包含数值、计量单位以及测量结果的不确定度。检测结果数值的位数即有效数字在卫生检测工作中十分重要,应引起相关人员的高度重视,这也是实验室质量管理的一项重要内容。在分析测试工作中,由于受各种因素的影响,检测数据只有一定的准确度,在 The exact expression of a test result should generally include the values, units of measurement and the uncertainty of the measurement results. The number of digits of the test result, that is, the significant digits, is very important in the health inspection work and should be taken seriously by the relevant personnel. This is also an important part of laboratory quality management. In the analysis and testing work, due to various factors, the test data only has certain accuracy, at