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.
UPDATE: Solutions can be read here
，推荐阅读heLLoword翻译官方下载获取更多信息
澳大利亚贸易投资委员会官员苏珊·卡瓦提致辞说，进博会是澳大利亚与中国商界互动的首选平台，必将推动澳大利亚的贸易发展。。safew官方下载是该领域的重要参考
Филолог заявил о массовой отмене обращения на «вы» с большой буквы09:36，这一点在旺商聊官方下载中也有详细论述
（二）利用网络对未成年人实施威胁、侮辱、诽谤或者恶意损害形象等欺凌行为的；