1、 / p Jlsu lliv :* nKYB s f w eFb H ?P p ZE,i O S9 %B5b , F f / p 8B ZEAB bbZE V - -B_a=_ _BBi ?eBSBN1“ wL p b| b=SBN wL| qK / w p y0m= 1N= p ,S= ,/ oa=M,c r= Q_e= e q=rf m= (ty= % yu t= %KX , Y , Z=s Z_1 , 2 , 3= 1 . s apM ( (m1 ) p -,AV F9 B s Z_ Kv,Kl,M ( bKv ,Sba, K ,7Kl, S ,b, BSMKv b ;b saB;B(s
2、a=, Esa:c) p:b,7M bsaB 1B(S/m Bs/a, ) pbl!lnO|:lJ 4HWim12 . pr s qm2 )mm5( M ),m( w)lr P (2Bq w e/ M s Sb ( s S , Fb p -,rM r ( (YVBs Z_ 9 br Bt b | % #s5 1 . 75 x l / o), SA EJG o o dm a n T 3 Tb4 . p p SBNm(m3 )TSor S , SbW, p ?VSBNm pbSBNm YV US(S fN f)(Sm, N , )bV3 fUSbV2 Q_ w Vr T TiG e rbe rBQ
3、_ w SbBJ / S mba2lB! - FiJaba/G o o dm a n SBB.B-B -1B(. +mlB)BBBBBBBBBSA ES o derb er g . . . .-. . . . . . . . . . . . . . . . . . g g. . . g. .- . . . . . . . . . . . g. . . . . . . . . . . . . . . . . . . . “. . . . . . . r: SA E S =e A BBIBBB,aa_ il)ko,w-B F.BI ! !xiBB_x_ _ _ _rNam,Nr |q 84 b *
4、aV m4 S Xmom/ o, ! :G e rb e rl0co5Bm0 3 K S O t/ 3 mo gG o o dm ol loc9nBn0n K SB/ 3ln0apA E ImB_1 1 KSB/ 3 10 gSo de r be r :l0 4 9mB 10n K S !/ 3l108!9 L (m4 ) g, %.5:L !B y ww 7 s_ Sa,y_ e7s eg S=yy 7 s_M_ ,OSzb vl :#=70 00B65 60/ 2 , S=y = 140B70/ 2 ,#S, = Sx =B35 00/ 2 ,b= 2401 0/ 2K =1 H, k p
5、 b: ( 1 ) KlKv bS=: :ba=70 00/ obb=B6 860/ 2b, a=B35 00/ 2b. ,=B3 500/ 2Sz ,boB35 00/ oS :=a: =B3500/ oS , ,ba= 14 0/ 2da, =B70/ ,S , :=a= S ,ab= Sb, ,= Sb,mb= 09 M ( s S a eb= ()q(69 30Bo ) 2 + (oBo)o+ (0B69 30)2 + 6 (1052 + 0+ 0 2 )r=S , : eb= ()q(70 +693 0/ o350 0)o+ (B350 0+ 350 0)2 + (B3 500B70
6、 )2_ 1 , _ _ _ _b, = .B7 0 UU + bb U) =Y69 30/ 2B Vm7p0bB686pn= 70/ 12+ 6 (3 52 + 02 + 02 )r 2= 3570/ o(3 )SA E Tb ,S ,=240 10/ 2 , Sb= 1 (2 401 0)/ 3= 5003 . 3 5/ 2 , N ,=i, N e=1 05b V2 , Q_ w (B35 00 + 3 500) = 0 S c rB 7(B35bbB35pp,B35oo/ 26930357 02401 0=8 141/ o(4 ) SBNm O.saOb=S a : = 35 00 +
7、 3 500)=010 9 (2 4010/ 8003 . 33)10 9 (i0 g)B0_ 059 6Bma1B212 (B3 500B3 500 )=350 0 16b7 8 = 75bS X/ 2Boambc7b, p Nb,=1 (8 141 /2401 0)106= 105/ 2O dr1uMa e hin e D e , sg n ,Ja n u a ry 25b1979 r+ 8 !9V o l. 51 2s=,B(14bB7b)B35/ 2(2 )9 o nBMise srM r ( .wna .a a am Ca.a g,a0,aJa/ a g a C1a7 Caa.aaa a H =. , .oma.nao Cao g.aaJ Ca.aoaaa. aa,mm= S/7 7Z= S/ x, / / &,x %1o/ 5bSl !9#/a !9#/aV !9#/b, a/a) a /aoaFa !b/ a _aJrbm += 9 = i+| 68 5b: 3204, 3622
