角线:=(ATAN((MA(C,5)/REF(MA(C,5),1)-1)*100)*180/3.14115926);角线MA:=MA(角线,5);ANA:=PLOYLINE(OSS(角线,角线MA),角线MA);ANB:=PLOYLINE(CROSS(角线MA,角线),角线MA);角:CROSS(角线,角线MA) AND ((ANB>REF(ANB,1) AND ANB>ANA AND 角线MA<=0) OR ((角线MA<=-45 OR CROSS(角线MA,-45)) AND (ANB<-60 OR LLV(".J",3)<=-49) AND ANB>0));