一事不再罚原则也称一事不两罚原则或重复处罚之禁止原则。

Also known as the principle of non-punishment no longer Liangfa principles or duplicate punishment prohibited principles.

youdao

Google爬行器会由于元刷新重定向而阻塞，而302重定向会导致重复内容处罚。

The Google spider will choke on a meta refresh redirect and a 302 redirect can cause duplicate content penalties.

youdao

内容重复——如果你的网站有两份完全相同的内容(一个网址有WWW，另一个没有)，那么你可能会被处罚。

Contents duplication - if you have two copies of the same content from your site (one with WWW, one without), you are risking of being penalized.

youdao