DIFF : EMA(CLOSE,SHORT) - EMA(CLOSE,LONG);//短周期与长周期的收盘价的指数平滑移动平均值做差。
DEA  : EMA(DIFF,M);//DIFF的M个周期指数平滑移动平均
2*(DIFF-DEA),COLORSTICK;//DIFF减DEA的2倍画柱状线
CROSS(DIFF,DEA),BPK;//DIFF上穿DEA,做多。
CROSS(DEA,DIFF),SPK;//DIFF下穿DEA,做空。
AUTOFILTER;