http://www.sharechart.com.au/Education/TechnicalIndicators/KDJ.htm
http://caps.fool.com/Blogs/so-you-want-to-be-a-trader/228224
http://www.investopedia.com/terms/m/macd.asp
http://en.wikipedia.org/wiki/Bollinger_bands
原文：http://www.cnblogs.com/lake-of-embedded-system/p/4210186.html