优化更新代码，添加界面功能并整合

ShrlAlgo.RvKits/RvIndependent/MetroGauges/LandXMLData/Interfaces/IComparableStructure.cs

@@ -0,0 +1,10 @@
+namespace ShrlAlgo.RvKits.RvIndependent.MetroGauges.LandXMLData.Interfaces
+{
+    public interface IComparableStructure<T>
+    {
+        bool DifferentDescendants(T item);
+
+        bool DifferentItem(T item);
+        bool Equals(T item);
+    }
+}