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问：通达信的UPNDAY，大智慧不认识，用什么表达？
下面的两个语句，用大智慧怎么表达？谢谢
DRAWICON(CROSS(AK,AD) AND UPNDAY((O+C)/2,1),AD-10,1);
DRAWICON(CROSS(AD,AK) AND AK<BK AND DOWNNDAY(MA(C,18),1),AD+15,12);
答案：
DRAWICON(CROSS(AK,AD) AND (O+C)/2>REF((O+C)/2,1),AD-10,7);
DRAWICON(CROSS(AD,AK) AND AK<BK AND MA(C,18)<REF(MA(C,18),1),AD+15,8);
或
DRAWICON(CROSS(AK,AD) AND ALL((O+C)/2>REF((O+C)/2,1),1),AD-10,7);
DRAWICON(CROSS(AD,AK) AND AK<BK AND ALL(MA(C,18)<REF(MA(C,18),1),1),AD+15,8);