精确买卖主图指标

高2:(XMA(XMA(H,13),13)-XMA(XMA(L,13),13))+XMA(XMA(H,13),13)COLORGREEN;
低2:XMA(XMA(L,13),13)-(XMA(XMA(H,13),13)-XMA(XMA(L,13),13))COLORGREEN;
中2:(高2+低2)/2;