中国导弹之父钱学森

http://www.youtube.com/watch?v=iC1Zv2pKrVo

http://www.youtube.com/watch?v=9fzysJ8LZDQ&feature=related

http://www.youtube.com/watch?v=HR-hIq0p7uo&feature=related

http://www.youtube.com/watch?v=yQ7CZtr-DEw&feature=related

http://www.youtube.com/watch?v=wKXjsL9KCUw

http://www.youtube.com/watch?v=mUQy02yegRA&feature=related

http://www.youtube.com/watch?v=K3_2nJDmljo&feature=related

http://www.youtube.com/watch?v=hPi-JlsVnO4&feature=related