Review and identification

Review and identification App is a tool that focuses on your learning efficiency and knowledge consolidation.
-Features:
-[Strong state]
Record the process and knowledge points of some subject competitions you participated in, so that you can maintain a good learning state;
-[New things]
Review the old and learn the new, and improve your learning ability by adding a summary and reflection of the wrong questions you have done;
-[Time accumulation]
Everything requires a lot of time. We can count the time we spend on each study and question, how hard we work, and combine work and rest.