Penrose Substance 索引语句（Indexed Statements）全解析：模板标识符、范围展开与 where 条件过滤
2026/9/27 10:49:52
D:=MA(C,5);
J:=REF(D,2)<REF(D,1) AND REF(D,1)<D;
G:=MA(INDEXC,5);
S:=REF(G,2)>REF(G,1) AND REF(G,1)>G;
XG:=S AND J;
{信号过滤器：N取0～10，数值越大，信号越少，取0为不过滤}
N:=0;
信号过滤:COUNT(XG,N) AND XG;