doctoral

形容词 doctoral:

1. of or relating to a doctor or doctorate
   同义词：doctorial

1. A lengthy, formal treatise, especially one written by a candidate for the doctoral degree at a university; a thesis.
   (博士学位)论文，(专题)论文，学术演讲长而正式的论文，尤指大学里由博士学位攻读者所写的论文; 学位论文