Acta Scientiarum Universitatis Pekiniensis (Naturalum)

76 i oR AR S SR 1958 4

al =0, 4=1,---n—4 Fa JEAN FA (3) BNF a;,,=0 4 7<j-1, 4, jaH1,n—3 FESS BV, TE n=4 i, DEAE A AY (RSS RED n—2,n=0 HATH) . ATER) PA Be Bak G14 =05 G=I125--- 1 — I, Sp Eases ye Green Oe 795, FE (5) He, XM t=n—2, k=n—1, jan, 4 . Qn—15n = Un—2:n—1 wi Oy —t5n =O WBA : [ACHD, AI E (AM ,.--,ACD}, — Pe A_E—F, FY EBS A;¢11=0 ¢=1--n— iW, <2 Pi lear Qn—15n7= 0 ° FRR n= 4 Hoe, FE (5) PIR t= j=2, k=1, Gg,3— 204, =0,

TA] G1,2 =(, Aru,

An d3,4=0, VPM T aE, PTE n>4, 42 (5), IR d=n—4, j=n, h=n—38, FF

On =45n=3 = > Aes ate 6Gn-2,n=1 — 4G, —3,n=2 + Uy —s5n—85 On—3,n—2 — 0, Qn—1yn = Cn—2.n-19 ry On—45;n=3 = —Gy-1.n49,

FEBEA Oy ana Cia FP AP Oa, EB — POE. PUR a [AC, Aj Ht (4,4—1),---(n—4, n—3) PEA Be hn_E MAT RIAA OE, HI I= 2), ie Pesta ew Hy EM a al ae Winisa (244 — Cirrirs) Osgtyin2 (—Miyinat 20i4 15:42 — Cerarits) Cea pes( = Oneonea ts 2Unoasnee le A193 — Fa WA» FRYE (2) 9 EMS ar SS On—aynQirit¢ts — Un—anGiptsiter'» Un—1ynUn-asn=ss Ay CAPA, O14 | Oinisa (2s 241 = Wigt.i¢2 — Un—1yn) =0

‘ = ey rcige (— Gita 2Gistet2 — Giretes — Un-in) =9