7Freescale Inc.. MC9S08DZ48 Data Sheet [M]. USA:Feescale Inc. ,2006.
8HUDDLESTON J. Beginning C# 2005 Databases [M]. Beijing : Tsinghua University Press & Prentice Hall, 2006 : 247- 250.
9TITUS T. C# Threading Handbook[ M ]. Beijing :Tsinghua University Press & Prentice Hall,2004:20-30.
10Wagne W,Prss A.The IAPWS formulation 1995 for the thermodynamic properties of ordinary water substance for general and scientific use[J].J Phys Chem Ref Data,2002,31(2):387-535.