搜索
!#$!#$%#%!!!&’()*’(+,-.#/**0$/+,-**&’(&’()*’(&’()*’(12%&3#2!)004!#5$)!!)%!#$%#&%’()*+,-./,-$’(*0’#$)$(12$’(%3&#$3&$%4&*&54*$6789:;9:=89:?@9)A78=*B9;@C)DB9EB*@)F894!##$%$&’($)*+(,$*($)*-.*%,*$$/,*%01,)*2,*3*,4$/5,67&+(,$*($81$(9*#%701,)*2,*%!!!!9,*)5+1#$%&’$6’F89&’()*’(GHICJJ=JK8B:7LCH7BJCM8JLCM8LCHM8JLHC8LCN9L7@JLCJLO;7CLHC8LPC9LCQQCILM8JGHCQCHR8SKC=QHL7C+,-+HHCPT8KCQQ@I@C9IFSC@9:BGL.#/89NL7C**SC@9:BGL0$/O;7CLCJL8KJN@JIBJJCNL7CI9RLH@SBL@9Q&’(HC8ILH@9L7CJK8B:7LCH7BJCM8JLCM8LCHLHC8LPC9LO;7CQ8ILJGHTCL78L&’()*’(GHICJJ@J8U@9NQNCTCKGPC9LGLC9L@8KLCI79K:FOVL@JJB@L8SKCQH8NGL@9:@9L7CLHC8LPC9LQL7CPNCH8LC89N7@:7I9IC9LH8L@9H:89@IM8JLCM8LCHO783)%9#6JK8B:7LCH7BJCM8JLCM8LCHW&’()*’(GHICJJWIPG8HLPC9LWJKBN:C8IIK@P8L@9XEYZ)X:33.OY/!XEYZ)X!!/!Y/XEYZ)X%!2/Y%3==O?O=!Y=!%4!5[!$0\!#!O!==O?O=!Y=!Y435[%\%%O%O?O=!3=!Y4Y5[$\2OY==?79EB89:O?O=!%=!!4Y5[%03\%0#O$O?O=300$=324%5[Y0\$%O#=O?O=3000=3!4!5[#2\23O2==O?O=3000=343$5[3\3YO.OE-;]&?O=!3=.4!5[%!3\%!#O0=O?O=!=%4%5[!#!\!#$O!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!3&’()*’(!#$!23020)45;CK3%0!#!YY#!!DOI:10.19733/j.cnki.1672-9900.2006.05.009!#$%&’()*+,-./(001)23)(.4+*5&/367898:);(*4=?=!&/3%@&A/6%A:7&6%6&/3A/3%A)BC)’.-’D/(4.E3)(.4+*6!!!&/3A/3&/3@&A/F&/3F=!9A/3#9=!#=G/=FH$I=!H!$=9JE!9JEF9JEH9JE#9JE$F9JE#FK=&/3&/3LA/3$$!F9JE=!!$!!;MN;MNHI$O#H$PDJ9;MN#O?PDJ9;MN?#Q!F=;MN;*PDJ9AAPDJ9RSFLRPDJ9RT@USHI=O#H$$!FOI?F=8HOF8?=#=O=!#8HO?8=F?#!L#8O?8$!;MN;*PDJ9AAPDJ9RSFLRPDJ9RT@US=VI$8F!==!8F==I8#I!VI=8I!F==8!=HI8HIFVI?8!FI=F8I=$I8#HHV#8#FH=8?=FI8=$V#F8=H=8I==I8##VI!8F!I=8=HI8#!IV#$8!8!=I8$=W&/3LA/3!;MN!F!#$!%&’(&’(&’(#)*+*!,!#$----$!./.01234--!/51234--6$+5$5$------5,$--!,----!$789&’(-89789-89-89*789:7-87;789!789;3-89&’(%789.!)0234#-895789$%=%789?-89--6$+789?-89*@)A)@!%@%5B#CD6/*!)!E&FGHIJ4)7KFEGLMNOPN2EQHNLK)R4QESNEG8NL1EPNOFTJGEQQ@*60*)%/!*)%UV44V7J8798R9@(7WV(&-X:&YRZ)X,E[QEL\H,EFKFEGLMNOMF\\TEPGEFOHLGB789C\LG]FQHE]FHEGHGEFH1EKHD79ESNE]A)UFHEG9EQ)@*666@%%B.CD*$$6/*$.0)5^8*%5$.*66!-)$@)A)@*666@%!B*CD$./#*)#8LL=FH,I9XNTE,E7)7KFEGLMNOPN2EQHNLKL\QHGEK2H,1LTFQQEQ]FQHE]FHEG[QNK2,IMGNPFKFEGLMNOMF\\TEPGEFOHLGA)UFHEG9EQ)@*66*@!$B.CD.0$/.6)D789?-89!5