1. 理论家：theoretically 理论上 | theoretician 理论家 | theoretics 理论

2. 精通于理论的人：theoretically 理论地 | theoretician 精通于理论的人 | theorheticalenvironment 虚拟环境

3. 理论家,精于理论的人：cybernetician 控制论工作者 | theoretician 理论家,精于理论的人 | politician 政治家,从事政治者,政客

4. 精通于理论的人/理论家：theoretically /理论上/理论地/ | theoretician /精通于理论的人/理论家/ | theoretics /理论/

1. 同theorist
    A theoretician is the same as a theorist .

    e.g. ...socialist theoreticians.
           社会主义理论学家

1. someone who theorizes (especially in science or art)

    Synonym: theoristtheorizertheoriseridealogue