Yes, but only if the previous submission got major attention. Otherwise the repost should go through; we want good stories to have multiple chances at getting attention. (This is in the FAQ: https://news.ycombinator.com/newsfaq.html)
In the case where a previous submission did get major attention, it's helpful to post a link to that thread in the duplicate thread. It's nice to point your fellow users to where the big discussion is/was, and it's helpful to moderators because we might not know that the new post is a dupe.
In the case where a previous submission did get major attention, it's helpful to post a link to that thread in the duplicate thread. It's nice to point your fellow users to where the big discussion is/was, and it's helpful to moderators because we might not know that the new post is a dupe.