曲线显示控件，类似于心电图，For D5、D6、D7。-curve shows controls, similar to the electrocardiogram, For D5, D6, D7.

用d7写的一个想里程表一样的指示器，大家不要笑话我-d7 written with a speedometer to the same indicator, we should not joke I

发电厂水文应用曲线 含插值、图表输出。D7通过，使用第三方控件自行下载。-Hydro-power plants with the application of curve interpolation, the chart output. D7 through the use of third-party controls to download.