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90°。如果本来只想纠正页序，不需要顺手操作这两个按钮，以免下载后才发现页数减少或方向变化。",[139,222,223],{},"“重置全部”会恢复本次导入文件的页面顺序，也会恢复已删除的页面和旋转状态。对于原本就倒序的文件，重置后仍然是倒序；它不是自动恢复正确阅读顺序的按钮。",[152,225,227],{"id":226},"下载后检查内容顺序而不只是看首尾","下载后，检查内容顺序而不只是看首尾",[139,229,230],{},"确认排列后点击“开始处理”，等待浏览器下载 PDF。若出现验证提示，按提示完成后再次点击处理按钮。下载文件沿用原文件的基础文件名，建议另存为容易区分的名称，避免误开旧文件。",[139,232,233,234,237,238,241],{},"重新打开下载的 PDF，先核对总页数，再检查第一页、最后一页和中间的接续。本例实际下载后仍为 7 页，提取出的页内编号从 ",[160,235,236],{},"07、06……01"," 恢复为 ",[160,239,240],{},"01、02……07","。用 Poppler 重新渲染全部七页，逐页画面与制作倒序样例之前的正序版本一致，文字提取结果也一致。",[139,243,244],{},"处理自己的资料时，如果只调整了顺序，页数应与原件相同；如果还删除了空白页，则应核对删了几页、是否误删了有内容的背面。仅看封面回到第一张，还不能排除中间某两页接错。",[139,246,247],{},"当前工具在浏览器中读取和处理 PDF，但不提供 OCR 页码识别、自动奇偶页交错、插入另一份 PDF 或多文件合并入口。加密、损坏或无法读取的 PDF 可能被拒绝，压缩包需要先解压。本文验证的是七页普通 PDF 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