For example, in order to prevent duplicate submission form, we need to save a counter on the server side.
例如，为了防止重复提交表单，我们需要在服务器端保存一个计数器。
Academic journals of the same field have roughly the same author groups, and thus, duplicate submission of manuscripts mainly take place in these journals.
由于同类学术期刊拥有大致相同的作者群，因而大多数一稿多投都发生在同类学术期刊上。
Make a duplicate tape as your submission will not be returned.
提交的认证材料请仔细备份，一律不予退回。
Make a duplicate tape as your submission will not be returned.
提交的认证材料请仔细备份，一律不予退回。
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