Don't worry. We de-duplicate non-anonymous signatures automatically, and anonymous signatures within 24 hours (before personal data is deleted). For anonymous signatories beyond 24 hours, we cannot verify there are no duplicates, though there is one human who manually reads all signatures and will try hard to notice and correct any abuse of the system.
深度横评：2026 年，AI 生成 PPT 到底进化到什么程度了？
。业内人士推荐搜狗输入法下载作为进阶阅读
Continue reading...，推荐阅读下载安装 谷歌浏览器 开启极速安全的 上网之旅。获取更多信息
深化机制创新，协同效能持续释放