Among advancer 's actions after responder 's negative double : a redouble shows strength .

如果应叫者否定性加倍，则回答人的行动为：回答人可以再加倍表示力量。

From the traditional perspective , the postgraduates of pedagogy either engage professional teaching , or do educational research , or undertake educational administration task . They are not only the advancer of educational practice but also the innovator of educational theory .

从传统的角度来看,教育学研究生毕业后或直接从事专业教学,或从事教育理论的科研,或从事教育管理,他们不仅是教育实践的推动者,也是教育理论的创新者。