从34.700到34.800之间产生1000个随机数

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace TEST
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Suiji()
        {
            string result= "";
            //定义一个随机类Random的对象,并初始化
            System.Random rad = new Random();
            for (int i = 0; i < 1000; i++)
            {
                //从0到1000中随机产生一个数(取不到0和1000)
                double n1 = rad.Next(1000);
                //除以10000得到所需小数
                double n2 = n1 / 10000;
                double n3 = n2 + 34.7;
                result += n3.ToString() + "   ";
            }
            textBox1.Text = result;
        }
        /// <summary>
        /// 主窗体加载事件,同时调用自定义的方法Suiji()
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Form1_Load(object sender, EventArgs e)
        {
            Suiji();
        }
    }
}