Xaml，System.Windows.Controls.DataVisualization.Charting -将X轴标签显示为秒而不是时间？

<Window x:Class="YourNamespace.YourWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:dvc="clr-namespace:System.Windows.Controls.DataVisualization.Charting;assembly=System.Windows.Controls.DataVisualization.Toolkit"
        Title="Your Window" Height="450" Width="800">
    <Grid>
        <dvc:Chart>
            <dvc:Chart.Axes>
                <dvc:LinearAxis Orientation="X">
                    <dvc:LinearAxis.AxisLabelStyle>
                        <Style TargetType="dvc:AxisLabel">
                            <Setter Property="StringFormat" Value="ss"/>
                        </Style>
                    </dvc:LinearAxis.AxisLabelStyle>
                </dvc:LinearAxis>
            </dvc:Chart.Axes>
            <!-- 其他图表配置 -->
        </dvc:Chart>
    </Grid>
</Window>