短语
形式运思期
formal operational stage
;
formal operations period
;
period of formal operations
;
formal operational thought
形式运思阶段
formal operational stage
形式运思时期
formal operational
形式抽象运思
formal operations
形式运作思考
formal operatory thought
·2,447,543篇论文数据，部分数据来源于NoteExpress