Is Zhihu useful for communicating with doctoral students?

Useful. Doctoral students can not only learn professional system knowledge with a doctorate degree, but also obtain a doctorate degree certificate. Many units will choose to use the doctorate degree certificate as the main basis for evaluating job titles. A doctorate degree Certificates are useful at any time

Some units now require a native graduate with a Ph.D., who is very popular and has a high salary.

Doctoral students are graduate students pursuing a doctoral degree. They are the highest level of postgraduate qualifications and the highest academic qualifications in China. The academic length is generally 3 or 4 years, and the main focus is on project research and learning. Upon graduation, you will receive a full-time doctoral degree diploma and a doctoral degree certificate.