,,CL27200(),4:4(mmol/L, xs)()(g/kg)822.560.392.450.3385.02.840.282.850.2185.02.870.322.860.1182.502.810.282.820.4281.252.490.362.520.23:P0.05,P0.013,,,[4],,,,,,,,,,,,,,,,,,,,,,,[1],,,.[J].,2000,26(8):3334.[2],,,.[M].:,1988.112116.[3],,.[M].:,1982.936.[4],,,.[M].:,1989.234.[5],,,.[M].:,1995.93162.(:2005209229)(,071002);;;;G424.7B100426879(2005)0420333202,,,,C1,1.1,,(1)::0.50.9,,(2):1.2,1,-1,333JOURNALOFCHENGDEMEDICALCOLLEGEVo1.22No.42005©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=KK-1(1-ni=1Si2S2):Si2i,S2,K,i=1,...,k1.3,i:Hi=1-XiWi:Hii,Wii,Xi1.4,,,,,1,-1i:rdj=ni=1xijyi-n xj ynSjS:n,XijYjij,SiSi22.1,,,,,,,,=0.05,12,10,,2.2(),,,,(),(),(),,,(),,=0.05,H0:a=a0(a0),:T= -as3n:,n,S2T,(:2005208229)(:)()(,100085);;;R543A100426879(2005)0420334204,(homocysteine,Hcy)Hcy,,,Hcy11.1Hcy,,Hcy,:(1)(MetRS),(2)(cystathionine2syn2thase,CBS),(3),Hcy2tRNA433JOURNALOFCHENGDEMEDICALCOLLEGEVo1.22No.42005©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.