1、a245a117a198a83a35a192a220a143a216a3a192a135a2a27a192a220a219a214a3a189a110a135a191a169a110a411a74a134a109a152a170a103a145a144a1709a74a134a109a152a170a103a145a144a1709a74a134a162a130a53a19a198a134a198a8320a223a248a175a7537a40a229a13855a245a117a198a83a35a192a220a143a216a3a192a135a2a27a192a220a219a214
2、a32009a9911a2727a70a245a117a198a83a35a192a220a143a216a3a192a135a2a27a192a220a219a214a3a189a110a135a191a169a110a411a74a134a109a152a170a103a145a144a1709a74a134a109a152a170a103a145a144a1709a74a134a162a130a53a19a198a134a198a8320a223a248a175a7537a40a229a138551 a245a117a198a83a35a192a220,a143a216a3a192a13
3、5a2a27a192a220a137a239a164a245a27a196a29a131a159:a245a117a198a83a35a192a220,a2a180a143a216a3a192a152a10a135a2a27a192a220a101a161a180a152a10a135a2a192a220.a245a117a198a83a35a192a220a143a216a3a192a135a2a27a192a220a219a214a3a189a110a135a191a169a110a411a74a134a109a152a170a103a145a144a1709a74a134a109a152
4、a170a103a145a144a1709a74a134a162a130a53a19a198a134a198a8320a223a248a175a7537a40a229a138551 a245a117a198a83a35a192a220,a143a216a3a192a135a2a27a192a220a137a239a164a245a27a196a29a131a159:a245a117a198a83a35a192a220,a2a180a143a216a3a192a152a10a135a2a27a192a220a101a161a180a152a10a135a2a192a220.a245a117a19
5、8a83a35a192a220a143a216a3a192a135a2a27a192a220a219a214a3a189a110a135a191a169a110a411a74a134a109a152a170a103a145a144a1709a74a134a109a152a170a103a145a144a1709a74a134a162a130a53a19a198a134a198a8320a223a248a175a7537a40a229a138552 a83a78a193a135a74a134a233a196a29a189a110a27a191a169a110a41a74a134a109a152a
6、170a27a103a145a162a130a53a19a198a137a134a250a145a53a197a172a41a185a165a27a135a2a192a220a172a79a92a92a27a127a28,a145a53a191a9a27a194a188a135a191a247a103a38a47a114a149a22a172a40a229a138a245a117a198a83a35a192a220a143a216a3a192a135a2a27a192a220a219a214a3a189a110a135a191a169a110a411a74a134a109a152a170a10
7、3a145a144a1709a74a134a109a152a170a103a145a144a1709a74a134a162a130a53a19a198a134a198a8320a223a248a175a7537a40a229a138552 a83a78a193a135a74a134a233a196a29a189a110a27a191a169a110a41a74a134a109a152a170a27a103a145a162a130a53a19a198a137a134a250a145a53a197a172a41a185a165a27a135a2a192a220a172a79a92a92a27a12
8、7a28,a145a53a191a9a27a194a188a135a191a247a103a38a47a114a149a22a172a40a229a138a245a117a198a83a35a192a220a143a216a3a192a135a2a27a192a220a219a214a3a189a110a135a191a169a110a411a74a134a109a152a170a103a145a144a1709a74a134a109a152a170a103a145a144a1709a74a134a162a130a53a19a198a134a198a8320a223a248a175a7537a
9、40a229a138553 a83a78a193a1354a103a44a242, 2a103a166a218a20a210a27a152a31a140a27a3a85,a162a189a161a109a174a178a139a44a152a35,a165a2a198a19a152a40a152a134a45a60a133a190,a51a44a173a58a208a165,a173a58a112a165,a173a58a140a198a27a245a124a127a196a165,a183a130a27a103a145a144a170a174a178a201a20a10a75a143.a92
10、a149a32a63a92a16a140,a92a51a16a140a85a188a26a159a111,a85a51a101a159a111,a92a27a80a147a51a90a159a111,a92a180a196a39a22a131a173a80a147.a140a245a234a234a198a59a146a46a146a27a198a41a242a216a108a175a218a234a198a134a26a131a39a27a243a138.a242a53a183a130a180a196a172a63a218,a90a60a79a121,a122a60a79a121,a137a
11、239a79a121,a209a79a121a26a141a220a110.a245a117a198a83a35a192a220a143a216a3a192a135a2a27a192a220a219a214a3a189a110a135a191a169a110a411a74a134a109a152a170a103a145a144a1709a74a134a109a152a170a103a145a144a1709a74a134a162a130a53a19a198a134a198a8320a223a248a175a7537a40a229a138553 a83a78a193a1354a103a44a24
12、2, 2a103a166a218a20a210a27a152a31a140a27a3a85,a162a189a161a109a174a178a139a44a152a35,a165a2a198a19a152a40a152a134a45a60a133a190,a51a44a173a58a208a165,a173a58a112a165,a173a58a140a198a27a245a124a127a196a165,a183a130a27a103a145a144a170a174a178a201a20a10a75a143.a92a149a32a63a92a16a140,a92a51a16a140a85a1
13、88a26a159a111,a85a51a101a159a111,a92a27a80a147a51a90a159a111,a92a180a196a39a22a131a173a80a147.a140a245a234a234a198a59a146a46a146a27a198a41a242a216a108a175a218a234a198a134a26a131a39a27a243a138.a242a53a183a130a180a196a172a63a218,a90a60a79a121,a122a60a79a121,a137a239a79a121,a209a79a121a26a141a220a110.a
14、245a117a198a83a35a192a220a143a216a3a192a135a2a27a192a220a219a214a3a189a110a135a191a169a110a411a74a134a109a152a170a103a145a144a1709a74a134a109a152a170a103a145a144a1709a74a134a162a130a53a19a198a134a198a8320a223a248a175a7537a40a229a138551 a74a134a233a189a110a27a191a169a110a41a198a208a63a219a234a198a169
15、a124, a209a55a76a139a208a196a58, a246a208a196a29a245. a196a29a245a210a180a233a204a135a86a103a218a173a135a189a110a27a110a41a218a40a185a36a94, a177a57a233a204a135a121a178a69a124a27a221a186a218a40a185a65a94.a249a112a33a20a27a196a107a180a110a41.a47a243a150a245a217a175,a55a107a124a217a236a48,a210a180a135
16、a198a41a139a208a196a58a167a144a107a249a24a167a226a85a137a20a79a60a26a216a20a27a40a74a167a92a85a26a20a167a79a60a142a216a20a27a175a156a167a92a85a142a20a34a138a26a53a191a27a180a181a198a172a189a110a27a121a178a218a69a124a180a152a163a175a167a253a20a27a110a41a180a44a152a163a175a34a158a119a101a161a27a126a10
17、2.a245a117a198a83a35a192a220a143a216a3a192a135a2a27a192a220a219a214a3a189a110a135a191a169a110a411a74a134a109a152a170a103a145a144a1709a74a134a109a152a170a103a145a144a1709a74a134a162a130a53a19a198a134a198a8320a223a248a175a7537a40a229a138551 a74a134a233a189a110a27a191a169a110a41a198a208a63a219a234a198a
18、169a124, a209a55a76a139a208a196a58, a246a208a196a29a245. a196a29a245a210a180a233a204a135a86a103a218a173a135a189a110a27a110a41a218a40a185a36a94, a177a57a233a204a135a121a178a69a124a27a221a186a218a40a185a65a94.a249a112a33a20a27a196a107a180a110a41.a47a243a150a245a217a175,a55a107a124a217a236a48,a210a180a
19、135a198a41a139a208a196a58a167a144a107a249a24a167a226a85a137a20a79a60a26a216a20a27a40a74a167a92a85a26a20a167a79a60a142a216a20a27a175a156a167a92a85a142a20a34a138a26a53a191a27a180a181a198a172a189a110a27a121a178a218a69a124a180a152a163a175a167a253a20a27a110a41a180a44a152a163a175a34a158a119a101a161a27a126
20、a102.a245a117a198a83a35a192a220a143a216a3a192a135a2a27a192a220a219a214a3a189a110a135a191a169a110a411a74a134a109a152a170a103a145a144a1709a74a134a109a152a170a103a145a144a1709a74a134a162a130a53a19a198a134a198a8320a223a248a175a7537a40a229a138552 a86a199a31a1170a27a175a135a175a75:a193a8Sa101a27a175a135Aa
21、177a86a1990a117a41,a162a83a165Aa180a196a55a216a117a41?a88a74a92a175a118a107a198a76a86a199a216a27a60,a163a137a140a142a13a127.a88a74a175a198a76a86a199a216a27a198a41a189a239a196a41,a140a85a172a107a191a9!a88a74a183a249: a28a173a46a27a79a142a197a177a122a1661000a183a103a27a132a221a213a225a173a69a193a8S,a1
22、34a20a47a165a198a170a143a26a216a20a40a74A,a92a172a97a20a191a9a237?a88a74a52a92a121a178P(Ai) = 0,a75Pparenleftbigsummationtextnj=1 Ajparenrightbig = 0,a172a237!a175a75: a3a192a10a135a2a27a192a220,a233a117a.s.a27a110a41a216a148a46.a245a117a198a83a35a192a220a143a216a3a192a135a2a27a192a220a219a214a3a189
23、a110a135a191a169a110a411a74a134a109a152a170a103a145a144a1709a74a134a109a152a170a103a145a144a1709a74a134a162a130a53a19a198a134a198a8320a223a248a175a7537a40a229a138552 a86a199a31a1170a27a175a135a175a75:a193a8Sa101a27a175a135Aa177a86a1990a117a41,a162a83a165Aa180a196a55a216a117a41?a88a74a92a175a118a107a
24、198a76a86a199a216a27a60,a163a137a140a142a13a127.a88a74a175a198a76a86a199a216a27a198a41a189a239a196a41,a140a85a172a107a191a9!a88a74a183a249: a28a173a46a27a79a142a197a177a122a1661000a183a103a27a132a221a213a225a173a69a193a8S,a134a20a47a165a198a170a143a26a216a20a40a74A,a92a172a97a20a191a9a237?a88a74a52a
25、92a121a178P(Ai) = 0,a75Pparenleftbigsummationtextnj=1 Ajparenrightbig = 0,a172a237!a175a75: a3a192a10a135a2a27a192a220,a233a117a.s.a27a110a41a216a148a46.a245a117a198a83a35a192a220a143a216a3a192a135a2a27a192a220a219a214a3a189a110a135a191a169a110a411a74a134a109a152a170a103a145a144a1709a74a134a109a152a
26、170a103a145a144a1709a74a134a162a130a53a19a198a134a198a8320a223a248a175a7537a40a229a138553 a94a135a234a198a207a34a112a86a189a194: a23X,Ya180a145a197a67a254, E|X| 0) = 1,a75E(XivextendsinglevextendsinglevextendsingleX1 +X2 +Xn) = X1 +X2 +Xnn .a180a41: a233a117Sn = X1 +X2 +Xn,a207a143(Xi,Sn) =d (X1,Sn)
27、,a164a177E(Xi|Sn) = E(X1|Sn) = g(Sn),a50a94nsummationdisplayi=1E(Xi|Sn) = ng(Sn) = Sna26a40a216. a121a178a233a237?a175a75:a118a107a233a94a135a207a34a253a20a110a41: a174a127Sna158, Xia27a178a254.a137a239a158a135a92a107a10.a245a117a198a83a35a192a220a143a216a3a192a135a2a27a192a220a219a214a3a189a110a135
28、a191a169a110a411a74a134a109a152a170a103a145a144a1709a74a134a109a152a170a103a145a144a1709a74a134a162a130a53a19a198a134a198a8320a223a248a175a7537a40a229a138554 a94a135a234a198a207a34a74a75:a88a74Xia213a225a211a169a217, P(Xi 0) = 1,a75E(XivextendsinglevextendsinglevextendsingleX1 +X2 +Xn) = X1 +X2 +Xnn
29、 .a180a41: a233a117Sn = X1 +X2 +Xn,a207a143(Xi,Sn) =d (X1,Sn),a164a177E(Xi|Sn) = E(X1|Sn) = g(Sn),a50a94nsummationdisplayi=1E(Xi|Sn) = ng(Sn) = Sna26a40a216. a121a178a233a237?a175a75:a118a107a233a94a135a207a34a253a20a110a41: a174a127Sna158, Xia27a178a254.a137a239a158a135a92a107a10.a245a117a198a83a35
30、a192a220a143a216a3a192a135a2a27a192a220a219a214a3a189a110a135a191a169a110a411a74a134a109a152a170a103a145a144a1709a74a134a109a152a170a103a145a144a1709a74a134a162a130a53a19a198a134a198a8320a223a248a175a7537a40a229a138555 a74a177a110a41a27a254a33a183a207a53a189a1101a23S1,S2, ,a180a114a221a143a27a209a11
31、6a54, (U(1),U(2), ,U(n)a1800,ta254a254a33a169a217a145a197a67a254a27a103a83a218a79a254,a75a51a94a135N(t) = na101,(S1,S2, ,Sn) a218 (U(1),U(2), ,U(n)a211a169a217.a138a226a189a1101, a183a130a96a51a94a135N(t) = na101, a216a127a196a107a0a103a83a158, 0,ta165a27a249na135a175a135a27a117a41a158a143a180a213a2
32、25a211a169a217a27a133a510,ta165a254a33a169a217a27, a189a246a161a249na135a117a41a158a143a180a510,ta165a254a33a183a207a27.a220a54a237a110a254a111a119a26a11a152a58,a111a97a250a118a107a89a54a156a209!a216a10a233a234a198a27a121a178,a92a6a216a20a141a208a27a93a14.a245a117a198a83a35a192a220a143a216a3a192a135
33、a2a27a192a220a219a214a3a189a110a135a191a169a110a411a74a134a109a152a170a103a145a144a1709a74a134a109a152a170a103a145a144a1709a74a134a162a130a53a19a198a134a198a8320a223a248a175a7537a40a229a138555 a74a177a110a41a27a254a33a183a207a53a189a1101a23S1,S2, ,a180a114a221a143a27a209a116a54, (U(1),U(2), ,U(n)a18
34、00,ta254a254a33a169a217a145a197a67a254a27a103a83a218a79a254,a75a51a94a135N(t) = na101,(S1,S2, ,Sn) a218 (U(1),U(2), ,U(n)a211a169a217.a138a226a189a1101, a183a130a96a51a94a135N(t) = na101, a216a127a196a107a0a103a83a158, 0,ta165a27a249na135a175a135a27a117a41a158a143a180a213a225a211a169a217a27a133a510,
35、ta165a254a33a169a217a27, a189a246a161a249na135a117a41a158a143a180a510,ta165a254a33a183a207a27.a220a54a237a110a254a111a119a26a11a152a58,a111a97a250a118a107a89a54a156a209!a216a10a233a234a198a27a121a178,a92a6a216a20a141a208a27a93a14.a245a117a198a83a35a192a220a143a216a3a192a135a2a27a192a220a219a214a3a18
36、9a110a135a191a169a110a411a74a134a109a152a170a103a145a144a1709a74a134a109a152a170a103a145a144a1709a74a134a162a130a53a19a198a134a198a8320a223a248a175a7537a40a229a138556 a254a33a183a207a53a27a83a186a41a186a23a166a144a85a209a116a54a136a20a250a2a144a27a169a117a213,t a158a109a209a27a250a2a144a2420,ta83a20
37、a136a27a166a144a28a220a36a114.a88a74a144a254a107na135a60,a254a33a183a207a53a96a178:a51a249na135a166a144a165a63a192a152a60a158,a166a27a20a136a158a109a510,ta165a254a33a169a217a191a218a217a166a27a20a136a158a109a213a225.a245a117a198a83a35a192a220a143a216a3a192a135a2a27a192a220a219a214a3a189a110a135a191a
38、169a110a411a74a134a109a152a170a103a145a144a1709a74a134a109a152a170a103a145a144a1709a74a134a162a130a53a19a198a134a198a8320a223a248a175a7537a40a229a138556 a254a33a183a207a53a27a83a186a41a186a23a166a144a85a209a116a54a136a20a250a2a144a27a169a117a213,t a158a109a209a27a250a2a144a2420,ta83a20a136a27a166a14
39、4a28a220a36a114.a88a74a144a254a107na135a60,a254a33a183a207a53a96a178:a51a249na135a166a144a165a63a192a152a60a158,a166a27a20a136a158a109a510,ta165a254a33a169a217a191a218a217a166a27a20a136a158a109a213a225.a245a117a198a83a35a192a220a143a216a3a192a135a2a27a192a220a219a214a3a189a110a135a191a169a110a411a74
40、a134a109a152a170a103a145a144a1709a74a134a109a152a170a103a145a144a1709a74a134a162a130a53a19a198a134a198a8320a223a248a175a7537a40a229a138557 a254a33a183a207a53a27a134a42a121a178a94N(t)a76a171a152a19a212Va51ta166a83a186a152a209a27a226a102a234, a75a180a114a221a143a27a209a116a76a167.a174a127N(t) = 1a158,
41、 S1a180a249a135a226a102a27a186a152a158a143. a233s (0,t),a107P(S1 s|N(t) = 1) =P(N(s) 1|N(t) = 1)=P(N(s) = 1,N(t) = 1)P(N(t) = 1)=st.a96a178a174a127(0,ta83a107a152a135a226a102a186a152a209a27a94a135a101,a186a152a27a158a143S1a510,ta165a254a33a169a217.a245a117a198a83a35a192a220a143a216a3a192a135a2a27a19
42、2a220a219a214a3a189a110a135a191a169a110a411a74a134a109a152a170a103a145a144a1709a74a134a109a152a170a103a145a144a1709a74a134a162a130a53a19a198a134a198a8320a223a248a175a7537a40a229a138557 a254a33a183a207a53a27a134a42a121a178a94N(t)a76a171a152a19a212Va51ta166a83a186a152a209a27a226a102a234, a75a180a114a2
43、21a143a27a209a116a76a167.a174a127N(t) = 1a158, S1a180a249a135a226a102a27a186a152a158a143. a233s (0,t),a107P(S1 s|N(t) = 1) =P(N(s) 1|N(t) = 1)=P(N(s) = 1,N(t) = 1)P(N(t) = 1)=st.a96a178a174a127(0,ta83a107a152a135a226a102a186a152a209a27a94a135a101,a186a152a27a158a143S1a510,ta165a254a33a169a217.a245a1
44、17a198a83a35a192a220a143a216a3a192a135a2a27a192a220a219a214a3a189a110a135a191a169a110a411a74a134a109a152a170a103a145a144a1709a74a134a109a152a170a103a145a144a1709a74a134a162a130a53a19a198a134a198a8320a223a248a175a7537a40a229a138558 a254a33a183a207a53a27a134a42a121a178a174a127N(t) = na158, a23a142a114
45、Va30a169a164ma172, a122a135a2a172a51(0,ta83a150a245a186a152a209a152a135a226a102,a119a44m n.a138a226a254a161a27a169a219, a174a127a49ia135a2a172a51(0,ta83a186a152a226a102a27a94a135a101, a249a135a226a102a27a186a152a158a109a510,ta83a254a33a169a217,a13a133a195a216a180a61na135a2a172a186a152a10a226a102,a24
46、9na135a186a152a158a109a180a131a112a213a225a27.a121a51a94U1,U2, ,Una76a171a249na135a186a152a158a109,a75U1,U2, ,Una213a225a211a169a217a133a510,ta83a254a33a169a217,a217a103a83a218a79a254(U(1),U(2), ,U(n) a31a117a174a127N(t) = na158a27(S1,S2, ,Sn).a249a135a121a178a216a61a25a171, a13a133a140a177a144a207a
47、198a41a110a41a254a33a183a207a53a27a29a159.a245a117a198a83a35a192a220a143a216a3a192a135a2a27a192a220a219a214a3a189a110a135a191a169a110a411a74a134a109a152a170a103a145a144a1709a74a134a109a152a170a103a145a144a1709a74a134a162a130a53a19a198a134a198a8320a223a248a175a7537a40a229a138558 a254a33a183a207a53a27
48、a134a42a121a178a174a127N(t) = na158, a23a142a114Va30a169a164ma172, a122a135a2a172a51(0,ta83a150a245a186a152a209a152a135a226a102,a119a44m n.a138a226a254a161a27a169a219, a174a127a49ia135a2a172a51(0,ta83a186a152a226a102a27a94a135a101, a249a135a226a102a27a186a152a158a109a510,ta83a254a33a169a217,a13a133a
49、195a216a180a61na135a2a172a186a152a10a226a102,a249na135a186a152a158a109a180a131a112a213a225a27.a121a51a94U1,U2, ,Una76a171a249na135a186a152a158a109,a75U1,U2, ,Una213a225a211a169a217a133a510,ta83a254a33a169a217,a217a103a83a218a79a254(U(1),U(2), ,U(n) a31a117a174a127N(t) = na158a27(S1,S2, ,Sn).a249a135a121a178a216a61a25a171, a13a133a140a177a144a207a198a41a110a41a254a33a183a207a53a27a29a159.a245a117a198a83a35a192a220a143a216a3a192a135a2a27a192a220a219a214a
