可以的，最近很多關(guān)于新冠的文章就是這么做的。

arxiv 就是一個提前發(fā)步，而且文章在線時間不超過一年的零時在線發(fā)布，只為標志自己的成果時間！不屬于發(fā)表！你直接可以投你想要投的期刊。而且現(xiàn)在很多期刊都會讓你在審稿期間，通過他們自己的在線功能提前在線被人瀏覽！

當然不包括，這是預印本

nature說明里專門有針對預印本的
https://www.nature.com/nature/for-authors/initial-submission

Preprint servers
The Nature journals support the posting of submitted manuscripts on community preprint servers such as arXiv and bioRxiv. We do, however, ask you to respect the following summaries of our policies:

The original submitted version may be posted at any time.
The accepted version may be posted 6 months after publication.
The published version—copyedited and in Nature journal format—may not be posted on a preprint server or other website，

arXiv是預印本，不是正式發(fā)表，可以再給期刊投稿。

可以吧，我看到過