左侧单位
Chart1.Axes.Left.Minimum := 0; Chart1.Axes.Left.Maximum := Series1.YValues.MaxValue * 2;
Chart1.Axes.Left.Maximum := Series1.YValues.MaxValue * 2;
Chart1.LeftAxis.RoundFirstLabel := false;
Chart1.LeftAxis.Increment := Chart1.Axes.Left.Maximum / 3;