程序代码：

int[,,] array3Da = new int[2, 2, 3] { { { 1, 2, 3 }, { 4, 5, 6 } },{ { 7, 8, 9 }, { 10, 11, 12 } } };
            Console.WriteLine(array3Da[1, 0, 1]);
            Console.ReadLine();