Puc. 18. fucrorpauua pacnpeAeJle-
HH'I CTOKA.
oT cpeAHero 3lraqeHlrfl BnpaBo [r BJreBo
tsCC MCI-IbIIIC I{JICHOB PNTA NONAAACT B HH.
Tep BaJI , TO eCTb nOBTOp fleMOCTb, I4trrr4 qAC-
TOTa, naAaer. 3ro o6crofreJrbcrBo cooT-
BercrByeT 3aKoHy 6onrurux qr4ceJr, orHo-
cr.rreJrbHo c.nyuafiurtx r.Biletnft, wz Koro-
pofo cJreAyeT, qTo r{eM ooJIbIIIe oTKJIo-
HeHHe KaKoro-JII46o guaqeHufl B AaHHoM
pflAy oT cpeAHefo, TeM MeHbrrre BepoflT-
HOCTb flOflBJICHI,Ifl TAXOflT BCJIHIIHHbI.
flpn 6esrpaHr,rqHoM pocTe qHcJIa qJIe-
HOB PsAa 14 yMeHbrUeHI4H, r,IHTepBaJIa
,qo 6ecxoHeqHo vanofi BeJIHI{HHbI rl4cro-
rpaMMa pacnpeAeJleHHfl npeBpal4aeTcs
B rrJraBHyro KpHByto pacnpeAeJlentff.uJrLr KpI{ByIo nepomuocrefi (ptac. l9).
Kpunan pacnpeAeJleHllfl Aaer HafJIflAHoe npeIcTaBJIeHHe o saxoHc pac-
npeAeJreHvrfl. cily'uafiuoli BeJTHqHHbI; oHa xapal(repusyer BepoflTHoclb no-
'BJICHI{fl TO|O VITIH I4HO|O 3HAIICHHfl PACCMATPI,IBACMO|O PflTA CNYUAfiHUX
BCJIHIIHH.
Kpunaa pacflpeAeJreHr.rs HMeer rpr{ xapaKrepHble roqKu Ha ocu a6cu,ltccl
qeHTp pacnpeAeJleHur - ror{Ka / (pac. 19), coorBercrBytoqaq cpeAHe-
rr,ry apuQrurerHr{ecKoMy 3HarreHr4lo pfAa (op,uuuara, npoxoAflr\an qepe3 3Ty
ToqKy, Ha3blBaercfl qeHTpaJlbuofi); - /
MeALIaHa -- TOqK? 2 - AenUT psA Ha ABe paBHbIe qacTI'I;
MoAa - TorrKa 3 - npe.qcraBJlser co6ofi aHarreHlte qJIeHa psAa, Koro-
poMy coorBercrByer Hau6onrurafi qacrora. Op,ultHara, npoxoAttlqas qepe3
ary roqKy, Ha3btBaercn tuoAantsofi.
KpHnue pacnpe,4e.rreHr{fl 6lream cI{MMerpI,IttHbIe H acI,IMMerpHrIHbIe.
Kpunar pacflpeAeileHVfl Ha3brBaercs cr4MMerpnqHoft-, ecJILI ueHTpaJlbHafl
opAHHara, MeAHaHHAfl V MOAaJrbHar CoBnaAaroT u o6pasyror ocb cHMMeT-
puu. B acl4MMerpvrrHbrx KpHBbrx srr.I op.4l4Harbl He coBnaAalor, I4 paccrofl-
Hr,re Mex{Ay ueHTpa.nruofi opAuHaroft n vo&a,ntnofi, Ha3blBaeMoe pa,ql{ycoM
acuMMerpuu d (puc. l9), noxa3brBaer creneHb acI{MMerpHqHocTlI xpunoft.
f ugp o.rr o rH rrecKu e r BJr e Hu s o6lrquo x ap aKTep LI3yIorc ff acu MMerp I,I'I HbIM
pacnpeAeJleHlteM, npuqeNr pacnpeAeJleHl4e roAoBoro, MaKcLIMaJIbHOfO, MH-
HHMaJIbHOTO CTOKOB H ApyrHX XapaKTepr{cTI{K cToKa I'IMeIOT nOJIO)KHTeJIb-
HyIo acHMMerpuro (rr,ro4a H MeAHaHa
Jrexar JreBee qeHrpanrHofi opAH' I
uaru).
OcsonrrrtuH napaMerpaMLI acHM-
uerpuuHot? xpunoft pacnpeAeJIeH?Ifl
rBJrnrorcfl: l) cpeauee apu$tueruuec-
Koe BHarreHHe psAa x; 2) xoe$$HqueHr
H3MCHIIHBOCTH T4JTKI BAPUAUJjdN PF,TA
Co w 3) xoa$QrauueHr acl{MMerpuu C".
B cuuuerpI4.IHbIX (noprr,ransnrrx) KpH-
BbIX pacrpeAeJIeHHs xoaip$uqneHr
acHMMerpHH C":0.
68
Puc. 19. I(pnsar pacnpeAereHnr Bepo,qr-
uocrefi:
l- r{eHrp pacnpeAeJleHun', 2- ueAuaua; 3-
MOAa.
I
/77
/7Ffiz
ltf /72+/7a
P=En0
Puc. 20.
/00%
d.6
Cxeua nocrpoeHHff xpunofi o6ecneqenuocru (a) us rpunofipacnpeAerrenwn (6).