HashCode相同的不同字符串

using System;
public class test
{
  static void Main()
  {
         // .net 1.1
   Console.WriteLine("0.883744205759719".GetHashCode());
   Console.WriteLine("0.125208284298521".GetHashCode());

         // .net 2.0
   Console.WriteLine("0.89265452879139".GetHashCode());
   Console.WriteLine("0.280527401380486".GetHashCode());
  }
}