©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[]2001-03-21[](1976-),,,;(1972-),,,:12(1.,510631;2.,050091):,:,:,,:;;:B82-052:A:1001-5116(2001)04-0015-03,,(),,,,,,:,,,,,,,,;,,,,,,,,;[1](P170):,,,,,;,,,,:,,,,,,,,,,[2](P119),,,,,,;:,,[2](P5),,[3](P480)[4](P192),,,,,51©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[1](P79),,,,,,,:,,[1](P63-64),??,[1](P64),,2,,;,2,,,,,,,,,,,,,,,,,G.18,,[5](P12),,,,,,,,,,,,,[1](P84),,[1](P121),,:;,,,,,,,,,,,,,,,,:;:,,,,:,,,,,,,,,,,,,,,,61©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[6](P180):,,,,,;[1](P120),,,,,,:,,,,,,,,,,;,[1](P147):,[1](P146),,,,,,:,,,,,,[6](P180),,[][1].[M].:,1962.[2].()[M].:,1978.[3].()[M].:,1986.[4].[M].:,1980.[5].[M].,1978.[6](3)[M].:,1972.()71