What Does a Technical Librarian Do?

Librarians are intermediate titles for books and materials professionals. Qualifications: Ph.D., Master's degree and assistant librarian for about 2 years, or graduate certificate, second bachelor's degree certificate, assistant librarian for 2 to 3 years, or undergraduate or college graduate Assistant librarian for more than 4 years (not limited to those with real talents, excellent work performance or special business skills). ^[1]