2 Commits

Author	SHA1	Message	Date
Wenlei	cc7738fde2	updates images and some corresponing sentences.	2012-10-16 00:58:10 +08:00
Wenlei	b5e6792f28	add an illustration ... give a diagram for demonstrating the relationship among student human and skills	2012-10-13 19:00:47 +08:00