【摘要】 本文以"5.12"北川地震重度受损档案调查为例,采用分层等距抽样方法 ,分别对民国时期和建国后档案的受损类型和数量进行了调查分析。调查数据显示灾害档案受损类型为12种,其中档案纸张变形占首位,其后分别为字迹受损、霉斑污染等类型。调查精度表明各受损类型的统计误差大都在15%以内,证明分层等距抽样调查方法是一种行之有效、精度较好的调查方法。更多还原

【Abstract】 Based on investigation of damaged archives after big earthquake, this paper dividing damaged archives into before and after the founding of the PRC, researched damaged archives’ types and quantity by stratified sampling method. Investigation data showed that there were 12 types of damaged archives, and the type of paper deformation was the largest number, followed by the handwriting, mildew pollution damage and other types. The accuracy of investigation mostlywithin 15%, proved that the stratified sampling was an effective method.更多还原