Q: How to identify research field and review an article to find out the main content of the article?

Detailed Question -

My objective is to identify the research field and review an article to find out the main content of the article.

1 Answer to this question
Answer:
Thank you for your question. The question wasn't very clear, and I have edited it according to my understanding. I think you wish to know how you can read and understand the gist of an article.
 
A very similar question has already been answered here: 
 
This answer should help resolve your query.
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