LC:=REF(CLOSE,1);
rsi:=((SMA(MAX((CLOSE - LC),0),3,1) / SMA(Abs((CLOSE - LC)),3,1)) * 100);
FF:=EMA(CLOSE,3);
MA15:=EMA(CLOSE,21);
底背:crOSS(FF,MA15);
LC:=REF(CLOSE,1);
rsi:=((SMA(MAX((CLOSE - LC),0),3,1) / SMA(Abs((CLOSE - LC)),3,1)) * 100);
FF:=EMA(CLOSE,3);
MA15:=EMA(CLOSE,21);
底背:crOSS(FF,MA15);