Acta Scientiarum Universitatis Pekiniensis (Naturalum)

6 dah EK SH 1958 4B

2027 =e P,(S) = ee ao—6)*+ (t+u— sf ene Alt J (S,N, 4) ay ScHp ay 5 ey 2Ooy, 272 : : », NG (o—B)e~™ AI(S, N, %) =P, (S) + du+63(C,+€)logD+ o Lae el, 2 , (¢-B)?+ G+u=t)? Pe: | o— AIS B>Ooy, wees Je S Flu eS” du| =P, (8) +B, (8). (2-1) 7S TS eee

Sop P,, (S) gaffe (2-1) step Aan =a Sa. 5/2 2-1. Ay Soy = Oy, + 10 yy) LS, z) (XX) TERA BAe, Bl

P, (Sy) > log D,

we. Fa P,(S) pygexsskan o =o, bt "ES 458 AB ELIE BY, Ti ea S| 1-4 Sr = By, “or UT ty > BFE

2057 —72N2 2C;K _ 42 ee (Sys) > N’ (Cr—Bu)e" dus 4 log D f e? dix toe D Ne = 2057 (Oy,— By)? +? a ~30,K 4 +7? 3 5 [32 2-2. es | R,(S) |<2.02 log D, iE. 4% OY><, fi) Goes!’ a, , (© -8)?+ (t+u=c)? [w= p< B>oor Asx hg | t— ty, | <| c— oe) Le Witting PCa ih FA 45 | BE 1-4 FNSE EAS PY RB A, au CO ,V< : A= 4i(t+u), A 20,7 —a2N2 2057 52X72 = S Ca u-N ; duu | <2 c a = 2033 hwo OSS Sey aa) iu =20,y|u,—p\<i |V—P |

pace BSdox

14 |W —p|<O,Y MAR | w—p|>|w,.—p|—| w,—w|>|w,—p |—TaS

200 —2N? 2057

Vy : Sores fo SO coring — 2037 lw, — “KI p =0 WP BPO Io He

Bd, % Uy -2C,¥

= 22 = eae DPN" wp |tdu, v=0 —20,y 2°C,7< Jw, — f<2”41C,y

FUP Yo AY ppli 2°C'3Y <1 Pp HEK RK.