http://www.indiana.edu/~statmath/stat/all/normality/normality.pdf
http://www.ltrr.arizona.edu/~dmeko/notes_2.pdf
http://blog.sina.com.cn/s/blog_4b024d320100chj6.html~type=v5_one&label=rela_nextarticle
http://d.wanfangdata.com.cn/Periodical_sltjygl200405007.aspx
http://www.oswego.edu/~srp/stats/normal_prb_plot.htm
http://topic.csdn.net/u/20091125/09/4d3b6f21-e6ad-4021-a366-ad83b1e3581a.html
http://blog.minidx.com/2008/12/04/1677.html
http://en.wikipedia.org/wiki/Logarithmic_scale
http://livedocs.adobe.com/flex/3/html/help.html?content=charts_displayingdata_04.html
http://livedocs.adobe.com/flex/3/html/help.html?content=charts_formatting_03.html
http://www.cssflex.com/axisstyles.swf