public interface ITestRecord
{
    int Id { get; set; }
    int StationId { get; set; }
    DateTime TestDate { get; set; }
    string Tester { get; set; }
    // 公共字段
}

public class BubblePointEntity : ITestRecord
{
    public int Id { get; set; }
    public int StationId { get; set; }
    public DateTime TestDate { get; set; }
    public string Tester { get; set; }
    public string SampleType { get; set; }
    public string SampleSpec { get; set; }
    public double RoomTemperature { get; set; }
    public double SoakingTime { get; set; }
    public string LiquidName { get; set; }
    public double LiquidSurfaceTension { get; set; }
    public string LiquidManufacturer { get; set; }
    public double BubblePointPressure { get; set; }
    public string PressureUnit { get; set; }
    public double MaxPoreSize { get; set; }
}

public class PoreDistributionEntity : ITestRecord
{
    public int Id { get; set; }
    public int StationId { get; set; }
    public DateTime TestDate { get; set; }
    public string Tester { get; set; }
    public string SampleType { get; set; }
    public string SampleSpec { get; set; }
    public double RoomTemperature { get; set; }
    public double SoakingTime { get; set; }
    public string LiquidName { get; set; }
    public double LiquidSurfaceTension { get; set; }
    public string LiquidManufacturer { get; set; }
    public string PressureUnit { get; set; }
    public double BubblePointPressure { get; set; }
    public double AveragePoreSize { get; set; }
    // 导航属性：数据点
    public List<DataPointEntity> DataPoints { get; set; }
}

public class DataPointEntity
{
    public int Id { get; set; }
    public int PoreDistributionId { get; set; }
    public double Pressure { get; set; }
    public double WetFlow { get; set; }
    public double DryFlow { get; set; }

    public PoreDistributionEntity PoreDistribution { get; set; }
}