5Wilson, B.G. & Myers, K. M. Situated Cognition in Theoretical and Practical Context. In Jonassen, D. H. & Land S. M. Theoretical Foundations of Learning Environments.Lawrence Erlbaum Associates, Mahwah, New Jersey, 2000. 59.
6Satchwell, R. E.. Using Functional Flow Diagrams to Enhance Technical Systems Understanding. Journal of Industrial Teacher Education, 1996, Vol. 34, No. 2.
7Yuping Tang,Xu Zhang Department of Mathematics, Daxian Teacher’s College, Daxian 63500 Sichuan. P. R. China School of Mathematics, Sichuan University. Chengdu 610064. Sichuan. P. R. China Academy of Mathematics and Systems Sciences, Chinese Academy of Sciences Beijing 100080. P. R. China.A Note on the Singular Limit of the Exact Controllability of Dissipative Wave Equations[J].Acta Mathematica Sinica,English Series,2000,16(4):601-612. 被引量:3