The NCL Website includes a Knowledge-based Reference System which allows users to turn in Online Reference Inquiry Form (the form is in Chinese for the time being). Depends on the varied level of difficulty of the asked reference question, it takes 1-5 days to response to user’s reference question.

The following kinds of questions are excluded from the scope of this service:

(1) help with school assignments, tests, award-winning quiz games, riddles games;

(2) lawsuit and medical counseling;

(3) appraisal of antiques, artwork;

(4) translation of letters, documents;

(5) mathematics and statistics problems;

(6) private & personal problems.