Cnki is the system used by most schools. The data is the most authoritative in China at present, and it is the standard and the most secure software for the final exam of graduation.

You can learn from other software in the process of writing a paper, which is cheap and can be continuously improved when modifying the paper. As an auxiliary revision reference, paper ye covers about 70% of the data of HowNet, which can reduce the absolute cost of the preliminary inspection fee, and paper ye will not leave any traces and can be inspected many times.