头上边:=maX(O,C); 头下边:=MIN(O,C); 垂头:=Abs(O-C);{垂头} 长针:=(头下边-L);{长针} 垂:=长针/垂头>2 AND (H-头上边)<=长针 AND L<REF(L,1) AND O<REF(C,1); 地针:垂 AND L<=LLV(L,3);
