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本底分型指标为本人自创，水平有限，还不会严格的逻辑编写，但自己用起来很好用。（版权所有）
底分型用于大级别选股，起码是以上，小级别再按线段、笔、走势类型选择。
可用于飞狐和通达信的选股及预警
1、未考虑包含关系的底分型选股指标（也就是这个底分型很规矩，没有包含K线）
AAA:=REF(HIGH,2)>(REF(HIGH,1))
AND REF(LOW,2)>(REF(LOW,1)) AND
LOW>REF(LOW,1);
BBB:=REF(HIGH,5)>(REF(HIGH,4))
AND REF(LOW,5)>(REF(LOW,4)) AND
REF(HIGH,4)>(REF(HIGH,3)) AND
REF(LOW,4)>(REF(LOW,3)) AND
REF(HIGH,3)>(REF(HIGH,2)) AND
REF(LOW,3)>(REF(LOW,2));
CCC:=REF(HIGH,1)=LLV(HIGH,5) AND REF(LOW,1)=LLV(LOW,5) ;
DDD:=CROSS(CLOSE,REF(HIGH,2));
底分型:AAA AND BBB AND CCC AND DDD
2、未考虑包含关系的底分型形成后再回调选股指标（也就是这个底分型很规矩，没有包含K线）
AAA:=REF(HIGH,3)>(REF(HIGH,2))
AND REF(LOW,3)>(REF(LOW,2)) AND
REF(LOW,1)>REF(LOW,3) AND
REF(HIGH,1)>(REF(HIGH,3));
BBB:=REF(HIGH,6)>(REF(HIGH,5)) AND
REF(LOW,6)>(REF(LOW,5)) AND
REF(HIGH,5)>(REF(HIGH,4)) AND
REF(LOW,5)>(REF(LOW,4)) AND
REF(HIGH,4)>(REF(HIGH,3)) AND
REF(LOW,4)>(REF(LOW,3));
CCC:=REF(HIGH,2)=LLV(HIGH,6) AND
REF(LOW,2)=LLV(LOW,6) ;
DDD:=CLOSE< REF(CLOSE,1) AND
CLOSE<OPEN;
底分型:AAA AND BBB AND CCC AND DDD ;
3、不严格的底分型选股指标（可能存在K线包含关系，需要选出后甄别）
AAA:=REF(HIGH,2)>(REF(HIGH,1))
AND REF(LOW,2)>(REF(LOW,1)) AND
LOW>REF(LOW,1);
BBB:=REF(HIGH,1)=LLV(HIGH,5) AND
REF(LOW,1)=LLV(LOW,5) ;
CCC:=CROSS(CLOSE,REF(HIGH,2));
底分型:AAA AND BBB AND CCC;
4、不严格的底分型形成后又回调的选股指标（可能存在K线包含关系，需要选出后甄别）
AAA:=REF(HIGH,3)>(REF(HIGH,2))
AND REF(LOW,3)>(REF(LOW,2)) AND
REF(LOW,1)>REF(LOW,3) AND
REF(HIGH,1)>(REF(HIGH,3));
BBB:=REF(HIGH,2)=LLV(HIGH,7) AND
REF(LOW,2)=LLV(LOW,7) ;
CCC:=CLOSE< REF(CLOSE,1) AND
CLOSE<OPEN;
DDD:=REF(V,1)>(1.5*REF(V,2));
底分型:AAA AND BBB AND CCC AND DDD;
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