Some of them are still in the refinement stage.

其中一些仍处于完善阶段。

Again, people who are knowledgeable about a subject can help you in the refinement stage because you can ask exactly the questions you need and they can respond accordingly to give you the exact knowledge you request.

同样，对某个主题有知识的人可以在细化阶段帮助你，因为你可以准确地提出你需要的问题，他们也可以相应地回答，给你你所要求的准确知识。