MT4指标中,请老师把下面的箭头改成,买 卖等字样,谢谢。写段源码就可以...答:均5:MA(CLOSE,5), COLORYELLOW;均10:MA(CLOSE,10), COLORF00FF0;均30: MA(CLOSE,30), COLOR00FF00;均60: MA(CLOSE, 60), COLORRED, POINTDOT ,LINETHICK2;均250: MA(CLOSE, 250), COLORBLUE ,LINETHICK2 ;上轨:=均30 + 2*STD(CLOSE,30), COLORYELLOW, POINTDOT, LINETHICK2 ;下...