建立主模型:
#IMPORT[MIN,5,AA] AS VARVAR.B2&&BKVOL=0,BK(X);VAR.S2,SP(BKVOL);M<REF(M,1)&&REF(M,1)>REF(M,2)&&REF(M,2)<REF(M,3)||M<REF(M,1)&&REF(M,1)<REF(M,2),SP(Y); VAR.S2&&SKVOL=0,SK(X);VAR.B2,BP(SKVOL);M>REF(M,1)&&REF(M,1)<REF(M,2)&&REF(M,2)>REF(M,3)||M>REF(M,1)&&REF(M,1)<REF(M,2),BP(Y);MULTSIG(0,0,1,0);