4Taddeucci D.Experiments in synthetic psychology for tactile perception in robots:steps towards implementing humanoid ro-bots[J].Proceedings of the 1998 IEEE International Conference on Robotics & Automation Leuven,1998,(3):2262-2267.
5Salvia John. Assessment in Special and Remedial Education [ M]. Boston. Houghton Mifflin Company, 1985 : 7.
6Arnold Edward. An Introduction to the Pronunciation of English [ M ]. Routledge, Chapman and Hall, Inc London, 1989 : 339.
7Owen Steve, Rowberry Stewart. Educational Psychology [M]. Little, Boston. Brown and Company Inc, 1978: 154.