1990M?4ù
eü?í?E
ca d'' óu?a g?? 8!?E? 3Dn
eü, ììü?′üb11 Sènh?-
B,W· ?ü?ù7???T¥ ′#%?
.e?b?T HW?B,ü-,ü
a,???üùb?ó??? ?áb
%üE?o1 S?íEp ?eü?í?ET
B ??Qb
Ba!?E[S1B?,±?=
(60 X),Xi?ü-?,?ü
B
??a B°?
+O£ £?Y &!?, ?í7?b
h è,o,34 ?bxo74M106°
?bμeü N2M?,? ?4?, ?Q?ü
-3a5° 7 S ′ ?e, .5e?%,,?
μ0eL-%,;¨ó?e0μ H-
r,????íb??üùà,′e? =,3
ùaH, ???b£ ?e A Z?bE
??Y?e ? Ab0¨:SaB?,±{60 X,
3{10 X,X?b?0a,? ?''??y
Y¨?£h??
o??p''?FbKn??.
uáaZvbμo?8p?o=8p-Yb
?c?qa°:o?8??,l8 |?8?
=#9,=8??,o|′?μ, ?8
?8??#9pb??¥?y,1?0-
, >??!,{n ?I,ù ? ?3,?
¨?ê° ?S,[á ü-£?,?|-
??bu°·Zv :oμB-?Y,5
óμB-??pb#L?¤Y,??4?,
ù7?,ó£mù, á 32?,4£-7
?1ha,#n?\4£ú?,#£neà
,e? Ví?B?£y-?b$5í
S,?¨¥??-E,[°? ü L£bB n
w?′-| +,ü{?[m yQ?b @ o
·,N H?Novyíh, E? Bp-ü
i, o¨Y£ ]|?,Lü? 3 +by??
£ £?,? ]h?,1l H,′e??T
?,?a,? & }?b[a ??3?, ??
?? l Hb10n°ü ??,ü ?è,
1Neü? >, ?`2M,?nˉ?b
?=??í-E,?-¤?,?μM¤
md- ób I!?Eí eü,u?D?
?vê?oü £p?üμ:,oB1M? E
?, ?!?aA¨ ? £ % &,??v , á?
ü ? HAl′ve, gs> £oclp,''¨P
?a?1asa?3a Laü± ìa??a
?Ba%¥a? ?a??a?Ia+;aù
?# 1 ,í0,?{?]X£?boa[£
!?,¤±p.Xbp? fqmrg''h=?
?í-E,?¨ 50a m?a 3aL?!/
?[b£ ? Ab
=aL Eu1?=Iv:m tY?
1|ü ??Y′e,L gbí?aa?a?
ùty-?,?á1{ ó?1′8,?
VtB tVbv?Y¨b£ ù1 ,0, ?[
e?a?a? êa???0MQ,? ?a
^ ^Ya ′( ? Y? ?1£b¨¤?,5
?? L£ ?b,?LBY,5?\?ì1hb
g8£?1o,?áa19?P????
C? v.? ''OS?vl?7Xscm,£a
?a£ae,?-? v Z?·,?h=J,
???Y,ne4§b??£?e,8?38nC
g? m,lL?,vL?2? Q,Xμ2
??3b é£ ù?, ?? ?b£ ????h
ù,£y?q,$[¥??,3yY?,?
/??!?,Z¨ 3 +a ?Iae?a
?a|? =?a0?Oa??a ′( ?a
b34avLY,e£|a???a? vn
l,?h Bt,eZ? 3 +,F? ?a P R,
??×°7?b(Iú£ )
DOI:10.13192/j.ljtcm.1990.04.15.zhaoych.007
Va?D?
Ba a?Iav?a 31òB (30 X),
?2=à(10b X),?^Q=,.Xà?, r?
?,??? E
B
= (:6b X),X?ˉ £Pè
?¤?,''??Zb
h è£,o,25 ?b1984M128°
?b3- a?ü? HDE|?,''l′
nebí3 ?ü v ,ü?,μ v,μ
H?a??"t, v/.ehb4 é,
, Hμk?, ??7?b£ ?óóeüb
á[:?Ba+ a a%¥a£?a? 2
?aü± ìaP?av?a?¤,34r±b
?¨ tY??)v,?]? ,L ?
?,10°aD1Qb1Neüè?U,ü
?é gt?èb
?¥u? S ? èvgμN:bZ[
Ba1a av? ó??,???ì,£a
?a?I,[Y?ó;¨ ?2]éμ ó3
y,?e 3-rb''E¨íó?eü?μ
rb
?a0?EOü ? ′ve,e?%,,
[ 3{ 1 (120 X,M T),??= (60 X)
?%,ù£??)b
h è?,o,2 ?b1980Mn27°
?b???t,y m?11£,?üêa
?h?l?!+, áá/′?è??Te,ü
?e .,T@??? ?,? ±? Jbüêa?
h^, á?? p?′eb£ ?e A ?/
?,`ìTeb á[ 3{120 X,??60 X,
ù%,?MQ=ù£,s z[ °??,
}D? /???ê,Qˉ P¨2Q,.e
>,èμ0?h"-rb
?ù?-E,? =y.oa? ;
?9pb(u ?ê?óv)~ ê? fqorí
b1oeü′?èep,[ J÷Bà(50 X,
?%), 3{ 1 (l20 X,M T),Sh 1 E??
(-t,oMQ=ù£,[ °?,?¨`
e)pbNEYV?£¥O,7r }?ü
?,?3 ?? u-?b
1a?EcQ5 3íeüZ:a?a
+¤éò6 X,ù%,S?a? à? ??
?e)(IcQoD?v)b ù¨E?Rw<,?
?μr- Hb
h èo,o,29 ?b1984M825°
?b????? 7 Sü- ′ ?e,;¨?
e?aí±?e?? H?3b/Qü-ˉ
.e? =, ? ???b??Oü|à,y?
?? a,p ì?í-Eb á[cQíeü
Z:+éa¤éò40 X,1%,[S?3
ü,? à a ,??′,p ′?,0?5
^-b ?¨ °,?Qü′e?T,¨1
Qí?b ?`3M,?nˉ?b
?Z[? m??-+¤é?e?e,a
?ü?? A,FS?1?, Pe A-?¤"b
?a?EI fqpríeü?U0Z:
50a?0a·=ò?+(:5 X),àPa
|?a jLò?+(9 X), PBs(0.3 X),
.1% ?, ? à1?b
h èS,o,29 ?b1986M37°
?b???1979M92tbt-Xμeü
N,;¨í±?e?,éa???0 H l
r,?¨?bíM ??F×,ü ??
H, ′ ?e,.e4§,??§,à??
b5R?ü?eb0¨: 50a?0a
·=ò15 X,àPa|?a jLò9 X,3
P0.3 X,ù% ?, ? à1?, ??×3 Xb
???ü-3a4°|0?TH,,|? ''
?, ? °1?, ?¨3?, $ /p,.e
h^b o E?í1Q,′eT?,üù5
?,÷éó ??-4èb?1987M4D ¨
áB3?b
?NEuê? krZvgμ:,oU
0í?,¤éh?s(1 X),a £???
(b X)ù, ??(5 X)?@ù,+é
hts(2.5 X),v??+(2 X),?±ts
(2,5 X),9a?va 6 ?ò=s(b.6 X), ×a
?#?òB+(3 X),?10a?mò=+
(6 X),[ ?=s(b.6 X), jL?+(2 X),
ù?÷B+(3 X)A¨-0,·( )1%
, ? à??·Uv,¨ ?U?, =",=|
??, $ /p1bp
1990M?4ù
Ba??E fqmreüZ, ?"B
s(0.3 X),b ?? ?a?ó-, Bat
? VB?,¨?O?? £''?b
h è?,o,35 ?b1955M97°
?bü? ′ e1M,ü?DZí
,????,- ?píb Y?: ??í?,
ùaH, ??7?b á[ P0.3 Xb?
,?? ?a?ó-,? ??,[?O
?, P? £ @ê,???£? 7?b1Qeü
V?,43lM?Ub
? #P????,??<_bu''¤
?"vy?oYíL-? ?, 7ü ?- ?
3p,''h¨-A ??,E{?,?μA
rb
ta?EOüà5′e4§,[+
éa¤éa¤ma {?sù,''?0 d¤
?b
h è+,o,33 ?b1983M67°
?b ?-D #|??a1 $£ ?}e,?
°ü ??, $l′a£}a?\ne,
ü
, % ×??,O?μó v, v/.e
h,?7e b1N ???ü,5í?W 3,
üêehb ,7, ???b£ ?ìó
?bER ?ó,???e15b#[:+
éa¤éa¤ma {?sù%,?ü-
5a6°''?0 d ?, ?°3Q,àü?T
?¨0,?n0 d±£ ó7í? >,ü
?èbà??nˉ?b
?N/h |-Eb? fqoríhü
[+éa¤éaP?ò?sù%,o?
?0 dp,[?aí?U0??0 d,
P·?D, ?Q?15~20sò, ?°?5~
10Qb
?aóEOü?′e,?%,#|?
e,1ó?|?aZò?b
h è?,o,39 ?b1976M115°
?b ′ne2Mbü ??a.eF ,
Oe ?%,,i?μ|?#e, ?C ?,?
±? J??b á?ü-ó?|?aZ ?.
à??£,??bí 1Q,eüT?,6?
?Uba?eü,?Eí ,??b
?u$á1ZvXμó eü¥:,
o ′n ?e?|?, £à5%,ecplv
lL?Y,O £??=j?,ó?bp
fqbr5oó??a%a? aóZ,ó
=Va?|?aZa1ía /?bp?M 2
fq7r4¨óO?ó|??í eü,9 ?
e?-Eb
?a??Eeü,?ê? :ìKa1
í,¨l?? Z 5y? A? ??/? ,
??0.5~1ml, ?°1Qb
h èó,o,27 ?b1987M10O29°
?bü? ′.e4§,v 2??, m?
2,< ì? @b$5íS,5?e[3$b
¨1?? Z 5y? A?ìKa1í??/?
, ??1ml,? 3sòa.e?3,20s
ò.eT?,?TX?è|b
?Deq8rμ??í eü¥:,
''¨1?? Z 5y? A?
óaQ bB
fqpr5ê?B? AZmlF1?? Z 5y
? A2ml?
/?a MaZa1í?
?,í μr qr85?b
? IóD
?`é.|??í?ühü Gú?D1988;20
(2),9.
??+.<?D YZZ?"v?12".?1?
.~
ê
| ?? ,1958:,5.
INù.-?D "5üêIv. FE g?Dy,
1974:355.
?°.I?DZ"?v
.
? 8? 3yT?x? F
Eu÷ Y)?,1963:.U3.
?C?.<?D YZZ?"v?=".?1?
.
~ ê
| ?? ,1958:75b
De.u "5ò S8?í Dv(aI)
.?1?.
Z.?[ ? ,1955=.2c
? 2.eü£í,?Dí.1988;p(9):4.
De,?I?óDv.? 8?Df qDn.1987
:263
.
BV.u?óDD cv.?1? SD/ ?ó?
?r ,1985:370.
(If í?)
|
|