SQL上的SQL Server查询执行与Management Studio有何不同？

I investigated a problem when running a certain set of searches (from a .NET 3.5 application) against a Full Text Search DB on a SQL Server 2008 R2. Using profiler I extracted the long running query (120 seconds until Command Timeout was reached) and ran it in my SQL Server Management Studio. Duration was "0 Seconds" and depending on which one I tried 0 to 6 rows were returned.I investigated a problem when running a certain