On the basis of APOS theory proposed by Dubinsky, a famous mathematic educator, this paper proposed corresponding learning strategy for the concepts of discrete mathematics.

本文基于著名数学教育家杜宾斯基的APOS理论，提出相应的离散数学概念学习策略。

youdao

For additional guidelines concerning how to facilitate retrospective sessions, see our book (Hazzan and Dubinsky, 2008) and other books about the facilitation of retrospectives (e.g, Kerth, 2001).

更多关于如何主持回顾会议的指导，参考我们的书(Hazzan和Dubinsky, 2008)及其它回顾会议主持方式的书籍(如kerth, 2001)。

youdao

"I don't know how to describe it, " said Dubinsky, who also had 20 goals in 2009-10.

WSJ: Team Success Hides Brandon Dubinsky's Woes

The U.S. supported the appointment of Joan Dubinsky, an American, to head the UN ethics office.

WHITEHOUSE: Advancing U.S. Interests at the United Nations

Donna Dubinsky, who pitched both the Palm Pilot and the Treo to Mossberg, is now the C.

NEWYORKER: Critical Mass