用法一：助力，支撑
MA5:EXPMA(C,P1),COLORWHITE,NODRAW; {MA20:EXPMA(C,P2),COLORYELLOW;} MA105:EXPMA(C,P3),COLORGREEN; MA上:MA105*1.35,COLORGREEN; MA中上:MA105*1.25,COLORRED; MA中下:MA105/1.2,COLORRED; MA下:MA105/1.3,COLORGREEN;
