骞抽潰鍚戦噺鐨勫熀鏈畾鐞嗗強鍧愭爣琛ㄧず
[
鐭ヨ瘑鑳藉惁蹇嗚捣
]
涓�銆佸钩闈㈠悜閲忓熀鏈畾鐞嗗強鍧愭爣琛ㄧず
1
锛?/p>
骞抽潰鍚戦噺鍩烘湰瀹氱悊
濡傛灉
e
1
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e
2
鏄悓涓�骞抽潰鍐呯殑涓や釜涓嶅叡绾垮悜閲忥紝閭ｄ箞瀵逛簬杩欎竴骞抽潰鍐呯殑浠绘剰鍚戦噺
a
锛屾湁涓?/p>
鍙湁涓�瀵瑰疄鏁?/p>
位
1
锛?/p>
位
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锛屼娇
a
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1
e
1
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位
2
e
2
.
鍏朵腑锛屼笉鍏辩嚎鐨勫悜閲?/p>
e
1
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2
鍙仛琛ㄧず杩欎竴骞抽潰鍐呮墍鏈夊悜閲忕殑涓�缁勫熀搴曪紟
2
锛?/p>
骞抽潰鍚戦噺鐨勬浜ゅ垎瑙?/p>
鎶婁竴涓悜閲忓垎瑙ｄ负涓や釜浜掔浉鍨傜洿鐨勫悜閲忥紝鍙仛鎶婂悜閲忔浜ゅ垎瑙ｏ紟
3
锛?/p>
骞抽潰鍚戦噺鐨勫潗鏍囪〃绀?/p>
(1)
鍦ㄥ钩闈㈢洿瑙掑潗鏍囩郴涓紝
鍒嗗埆鍙栦笌
x
杞达紝
y
杞存柟鍚戠浉鍚岀殑涓や釜鍗曚綅鍚戦噺
i
锛?/p>
j
浣滀负鍩哄簳锛?/p>
瀵?/p>
浜庡钩闈㈠唴鐨勪竴涓悜閲?/p>
a
锛屾湁涓斿彧鏈変竴瀵瑰疄鏁?/p>
x
锛?/p>
y
锛屼娇
a
锛?/p>
x
i
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y
j
锛屾妸鏈夊簭鏁板
(
x
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y
)
鍙仛鍚戦噺
a
鐨勫潗鏍囷紝璁颁綔
a
锛?/p>
(
x
锛?/p>
y
)
锛屽叾涓?/p>
x
鍙仛
a
鍦?/p>
x
杞翠笂鐨勫潗鏍囷紝
y
鍙仛
a
鍦?/p>
y
杞翠笂鐨勫潗鏍囷紟
(2)
璁?/p>
OA
u
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r
锛?/p>
x
i
锛?/p>
y
j
锛屽垯鍚戦噺
OA
u
u
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r
鐨勫潗鏍?/p>
(
x
锛?/p>
y
)
灏辨槸缁堢偣
A
鐨勫潗鏍囷紝鍗宠嫢
OA
u
u
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r
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(
x
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y
)
锛屽垯
A
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(
x
锛?/p>
y
)
锛屽弽涔嬩害鎴愮珛锛?/p>
(
O
鏄潗鏍囧師鐐?/p>
)
浜屻�佸钩闈㈠悜閲忓潗鏍囪繍绠?/p>
1
锛?/p>
鍚戦噺鍔犳硶銆佸噺娉曘�佹暟涔樺悜閲忓強鍚戦噺鐨勬ā
璁?/p>
a
锛?/p>
(
x
1
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y
1
)
锛?/p>
b
锛?/p>
(
x
2
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y
2
)
锛?/p>
鍒?/p>
a
锛?/p>
b
锛?/p>
(
x
1
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x
2
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y
1
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y
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a
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b
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(
x
1
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2
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1
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2
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锛?/p>
位
a
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(
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1
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位y
1
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2
锛?/p>
鍚戦噺鍧愭爣鐨勬眰娉?/p>
(1)
鑻ュ悜閲忕殑璧风偣鏄潗鏍囧師鐐癸紝鍒欑粓鐐瑰潗鏍囧嵆涓哄悜閲忕殑鍧愭爣锛?/p>
(2)
璁?/p>
A
(
x
1
锛?/p>
y
1
)
锛?/p>
B
(
x
2
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y
2
)
锛屽垯
AB
u
u
u
r
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(
x
2
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x
1
锛?/p>
y
2
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y
1
)
锛?/p>
|
AB
u
u
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|
锛?/p>
飥?/p>
x
2
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x
1
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2
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飥?/p>
y
2
锛?/p>
y
1
飥?/p>
2
.
涓夈�佸钩闈㈠悜閲忓叡绾跨殑鍧愭爣琛ㄧず
璁?/p>
a
锛?/p>
(
x
1
锛?/p>
y
1
)
锛?/p>
b
锛?/p>
(
x
2
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y
2
)
锛屽叾涓?/p>
b
鈮?/p>
0.
鑻?/p>
a
鈭?/p>
b
鈬?/p>
x
1
y
2
锛?/p>
x
2
y
1
锛?/p>
0.
[
灏忛鑳藉惁鍏ㄥ彇
]
1
锛?/p>
(2012路
骞夸笢楂樿�?/p>
)
鑻ュ悜閲?/p>
AB
u
u
u
r
锛?/p>
(1,2)
锛?/p>
BC
u
u
u
r
锛?/p>
(3,4)
锛屽垯
AC
u
u
u
r
锛?/p>
(
)
A
锛?/p>
(4,6)
B
锛?/p>
(
锛?/p>
4
锛岋紞
6)
C
锛?/p>
(
锛?/p>
2
锛岋紞
2)
D
锛?/p>
(2,2)
瑙ｆ瀽锛?/p>
閫?/p>
A
鈭?/p>
AC
u
u
u
r
锛?/p>
AB
u
u
u
r
锛?/p>
BC
u
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u
r
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AC
u
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(1,2)
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(3,4)
锛?/p>
(4,6)
锛?/p>
2
锛庡凡鐭ュ悜閲?/p>
a
锛?/p>
(2,1)
锛?/p>
b
锛?/p>
(
x
锛岋紞
2)
锛岃嫢
a
鈭?/p>
b
锛屽垯
a
锛?/p>
b
绛変簬
(
)