一直以来 ,变造文件因其方法简单易行 ,无需特殊技术和设备 ,而常常被违法犯罪分子所利用 ,特别在经济和民事案件中时有发生。随着变造文件手段的增多 ,检验难度的增大 ,促使我们文检人员必须学会运用身边的先进技术解决传统方法难于处理的新问题 ,以下是笔者在实践中成功地运 Traditionally, altered documents have often been exploited by criminals, particularly in economic and civil cases, because of their ease of use and the absence of special techniques and equipment. With the increase in the means of making documents and the increasing difficulty of inspection, we urge the inspectors to learn to use the advanced technologies around us to solve the new problems that the traditional methods are difficult to handle. The following is the author’s successful operation in practice