论文部分内容阅读
基本原则为: 1.搞准数字,认真辨别卫生统计资料的可靠程度。数字不准,宁可不用; 2.利用卫生统计资料时,要搞清当时的
The basic principles are: 1. Take accurate figures and carefully identify the reliability of health statistics. The figures are not accurate, and it is better not to use it; 2. When using health statistics, it is necessary to clarify the