Acta Scientiarum Universitatis Pekiniensis (Naturalum)

74 db HL RK Es ae Hk 1958 4

7 (Ae, A] FA (i,4+1) PhCH, — Fl (ACD, A] E{A®,--, ACY}, mA®,--,AcC™ a (4,0+1) LICH 0, Mi<n, PLAC, Al @,1+1) prIcH, i<n, 0, BAM, MEHR, (AC, 41 (1,2) LICH Ai (2042 — G23) VY Be— ih (2,¢+1) PICK Dinega (= Oy-ty¢ + 20 j,141— ists) %=2,---n—1, FEB G,-1.n=0, PRX PAA ALL, HH SEE 2 ENS Ga Oly ¢=1,---n—L, | RR APTHRER, El a;;=0 4 4<9, ew Se he J ERE A WED. §3 fe --4t2e ATI ae Be, DAM Ss Ewe CHW Yn S3 Ht, ER, Re ees te cr Cee a, CoC ee meres care ec Feat Misr DSA EAGT ST. 4E (5) FP, t= j=k=1, 7 Q4,=9, te (5) "PW i= j=h=2, y,,— (N= 2) Ay,,-1=0 |

WWt=3, k=2, g=1, FF . vi MO ~ ars aes 2) +1 [a,,,-1=0.

WE MESES Ta Ae 5 AS SL, Fa Ae ELE 47 US (n—1) (n—2)

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C= Ue; 5