Docs-zh: add missing method description in SceneUtils

docs/examples/zh/utils/SceneUtils.html

@@ -15,7 +15,14 @@
 
 		<h2>Methods</h2>
 
-
+		<h3>[method:Group createMeshesFromInstancedMesh]( [param:InstancedMesh instancedMesh] )</h3>
+		<p>
+		instancedMesh -- The instanced mesh.
+		</p>
+		<p>
+		Creates a new group object that contains a new mesh for each instance of the given instanced mesh.
+		</p>
+		
 		<h3>[method:Group createMultiMaterialObject]( [param:Geometry geometry], [param:Array materials] )</h3>
 		<p>
 		geometry -- The geometry for the set of materials. <br />