public List<Leve> Read(Stream stream) => BaseMixdata<Leve>.Read(stream).Items;
public List <Cond> Read(Stream stream) => BaseMixdata <Cond> .Read(stream).Items;
public List <Exp> Read(Stream stream) => BaseMixdata <Exp> .Read(stream).Items;
public List <Reci> Read(Stream stream) => BaseMixdata <Reci> .Read(stream).Items;