编写要求:
请老师帮忙写带有下影线的小阳或小阴也就是倒垂选股
股票网解答:
abs(c/o-1)<=0.025 and (min(c,o)-l)/abs(c-o)>=1.5 and (h-max(c,o))/abs(c-o)<=0.1;