文档介绍:<head><metahttp-equiv=Content-Type content="application/msword;charset=utf-8"><metaname=ProgIdcontent=><metaname=Generatorcontent="MicrosoftWord12"><metaname=Originatorcontent="MicrosoftWord12"><!--[ifgtemso9]><xml><o:DocumentProperties><o:Author>win</o:Author><o:LastAuthor>win</o:LastAuthor><o:Revision>3</o:Revision><o:TotalTime>14</o:TotalTime><o:Created>2011-04-02T05:17:00Z</o:Created><o:LastSaved>2011-04-25T05:27:00Z</o:LastSaved><o:Pages>1</o:Pages><o:Words>27</o:Words><o:Characters>154</o:Characters><o:Lines>1</o:Lines><o:Paragraphs>1</o:Paragraphs><o:CharactersWithSpaces>180</o:CharactersWithSpaces><o:Version></o:Version></o:DocumentProperties></xml><![endif]--><!--[ifgtemso9]><xml><w:WordDocument><w:TrackMoves>false</w:TrackMoves><w:TrackFormatting/><w:PunctuationKerning/><w:DrawingGridHorizontalSpacing>�&</w:DrawingGridHorizontalSpacing><w:DrawingGridVerticalSpacing>�&</w:DrawingGridVerticalSpacing><w:DisplayHorizontalDrawingGridEvery>0</w:DisplayHorizontalDrawingGridEvery><w:DisplayVerticalDrawingGridEvery>2</w:DisplayVerticalDrawingGridEvery><w:ValidateAgainstSchemas/><w:SaveIfXMLInvalid>false</w:SaveIfXMLInvalid><w:IgnoreMixedContent>false</w:IgnoreMixedContent><w:AlwaysShowPlaceholderText>false</w:AlwaysShowPlaceholderText><w:DoNotPromoteQF/><w:LidThemeOther>EN-US</w:LidThemeOther><w:LidThemeAsian></w:LidThemeAsian><w:plexScript>X-NONE</w:plexScript><patibility><w:SpaceForUL/><w:BalanceSingleByteDoubleByteWidth/><w:DoNotLeaveBackslashAlone/><w:ULTrailSpace/><w:DoNotExpandShiftReturn/><w:AdjustLineHeightInTable/><w:BreakWrappedTables/><w:SnapToGridInCell/><w:WrapTextWithPunct/><w:UseAsianBreakRules/><w:DontGrowAutofit/><w:SplitPgBreakAndParaMark/><w:DontVertAlignCellWithSp/><w:DontBreakConstrainedForcedTables/><w:DontVertAlignInTxbx/><w:Word11KerningPairs/><w:CachedColBalance/><w:UseFELayout/></patibility><w:BrowserLevel>Explorer4</w:BrowserLevel><m:mathPr><m:mathFontm:val="CambriaMath"/><m:brkBinm:val="before"/><m:brkBinSubm:val