答案：三连阴:={COUNT(C<REF(C,1),3)>2 AND} COUNT(C<=O,3)>2 AND REF(C,1)<REF(C,2);

二缩量:=VOL<=REF(VOL,1) AND REF(VOL,1)<REF(VOL,2);

REF(EVERY(C<REF(C,1),2)AND EVERY(C<O,2),1) AND ABS(C-O)/O<0.03

AND SUM((C-REF(C,1))/C*100,7)<-8 AND 二缩量 AND IF(C>O,C/O<REF(O/C,1),O/C<REF(O/C,1))AND

REF(O/C<REF(O/C,1