AL:=(C+L+H)/3;
ao:=SMA(AL,5,1)-Sma(AL,13,1);
bbd:=(AO-SMA(AO, 3,1))*100;
BBD支撑线:=SMA(BBD,5,2);
RSV1:=BBD;
RSV2:=BBD支撑线;
SV1:=BArslAst(REF(crOSS(RSV1,RSV2),1));
SV1A:=REF(CLOSE,SV1+1)>CLOSE AND RSV1>REF(RSV1,SV1+1) AND CROSS(RSV1,RSV2);
B底背:SV1A;