序号 | 可达集合 | 先行集合 | 可达集合与先行集合的交集 | 抽取要素 |
层级 1 |
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A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T |
A |
1 |
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1 |
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1 |
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B |
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1 |
1 |
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1 |
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1 |
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1 |
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1 |
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1 |
1 |
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1 |
C |
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1 |
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1 |
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1 |
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1 |
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1 |
D |
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1 |
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E |
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1 |
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1 |
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1 |
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1 |
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1 |
F |
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1 |
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G |
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1 |
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1 |
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1 |
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1 |
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1 |
H |
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1 |
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I |
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1 |
1 |
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1 |
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1 |
1 |
1 |
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1 |
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1 |
1 |
1 |
1 |
1 |
1 |
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1 |
J |
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1 |
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1 |
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1 |
1 |
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1 |
1 |
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1 |
1 |
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1 |
1 |
1 |
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1 |
K |
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1 |
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L |
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1 |
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M |
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1 |
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1 |
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N |
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1 |
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1 |
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1 |
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1 |
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1 |
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1 |
1 |
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1 |
O |
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1 |
1 |
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1 |
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1 |
1 |
1 |
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1 |
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1 |
1 |
1 |
1 |
1 |
1 |
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1 |
P |
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1 |
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1 |
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Q |
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1 |
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1 |
1 |
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R |
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1 |
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1 |
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1 |
1 |
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1 |
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1 |
1 |
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1 |
1 |
1 |
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1 |
S |
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1 |
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1 |
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1 |
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1 |
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1 |
1 |
T |
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1 |
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1 |
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1 |
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1 |
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1 |
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A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T |
A |
1 |
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B |
|
1 |
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1 |
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1 |
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C |
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1 |
1 |
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1 |
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1 |
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1 |
1 |
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1 |
1 |
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1 |
1 |
1 |
D |
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1 |
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E |
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1 |
1 |
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1 |
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1 |
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1 |
1 |
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1 |
1 |
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1 |
1 |
1 |
F |
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1 |
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G |
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1 |
1 |
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1 |
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1 |
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1 |
1 |
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1 |
1 |
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1 |
1 |
1 |
H |
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1 |
1 |
1 |
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1 |
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1 |
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1 |
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I |
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1 |
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1 |
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J |
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1 |
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K |
1 |
1 |
1 |
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1 |
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1 |
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1 |
1 |
1 |
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1 |
1 |
1 |
1 |
1 |
1 |
1 |
L |
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1 |
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M |
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1 |
1 |
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1 |
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1 |
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1 |
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N |
|
1 |
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1 |
1 |
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1 |
1 |
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1 |
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O |
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1 |
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1 |
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P |
1 |
1 |
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1 |
1 |
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1 |
1 |
1 |
1 |
1 |
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Q |
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1 |
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1 |
1 |
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1 |
1 |
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1 |
1 |
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R |
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1 |
1 |
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1 |
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1 |
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S |
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1 |
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T |
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1 |
1 |
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1 |
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1 |
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1 |
1 |
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1 |
1 |
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1 |
1 |
1 |
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A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
S |
T |
A |
1 |
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B |
|
1 |
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C |
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1 |
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1 |
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1 |
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1 |
D |
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1 |
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E |
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1 |
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1 |
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1 |
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1 |
F |
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1 |
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G |
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1 |
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1 |
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1 |
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1 |
H |
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1 |
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I |
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1 |
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1 |
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J |
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1 |
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K |
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1 |
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L |
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1 |
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M |
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1 |
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N |
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1 |
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O |
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1 |
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1 |
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P |
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1 |
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Q |
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1 |
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R |
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1 |
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S |
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1 |
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T |
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1 |
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1 |
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1 |
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|
1 |
| 抽取了要素: A D F I J L O S
|
层级 2 |
|
B | C | E | G | H | K | M | N | P | Q | R | T |
B |
1 |
1 |
1 |
1 |
|
1 |
|
1 |
1 |
1 |
|
1 |
C |
|
1 |
1 |
1 |
|
1 |
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1 |
E |
|
1 |
1 |
1 |
|
1 |
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1 |
G |
|
1 |
1 |
1 |
|
1 |
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1 |
H |
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|
1 |
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K |
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|
1 |
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M |
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|
1 |
|
1 |
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|
N |
|
1 |
1 |
1 |
|
1 |
|
1 |
1 |
1 |
|
1 |
P |
|
|
|
|
|
1 |
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|
1 |
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|
Q |
|
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|
1 |
|
|
1 |
1 |
|
|
R |
|
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
T |
|
1 |
1 |
1 |
|
1 |
|
|
|
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|
1 |
|
|
B | C | E | G | H | K | M | N | P | Q | R | T |
B |
1 |
|
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|
C |
1 |
1 |
1 |
1 |
|
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|
1 |
|
|
1 |
1 |
E |
1 |
1 |
1 |
1 |
|
|
|
1 |
|
|
1 |
1 |
G |
1 |
1 |
1 |
1 |
|
|
|
1 |
|
|
1 |
1 |
H |
|
|
|
|
1 |
|
1 |
|
|
|
1 |
|
K |
1 |
1 |
1 |
1 |
|
1 |
|
1 |
1 |
1 |
1 |
1 |
M |
|
|
|
|
|
|
1 |
|
|
|
1 |
|
N |
1 |
|
|
|
|
|
|
1 |
|
|
1 |
|
P |
1 |
|
|
|
|
|
|
1 |
1 |
1 |
1 |
|
Q |
1 |
|
|
|
|
|
|
1 |
|
1 |
1 |
|
R |
|
|
|
|
|
|
|
|
|
|
1 |
|
T |
1 |
1 |
1 |
1 |
|
|
|
1 |
|
|
1 |
1 |
|
|
B |
C |
E |
G |
H |
K |
M |
N |
P |
Q |
R |
T |
B |
1 |
|
|
|
|
|
|
|
|
|
|
|
C |
|
1 |
1 |
1 |
|
|
|
|
|
|
|
1 |
E |
|
1 |
1 |
1 |
|
|
|
|
|
|
|
1 |
G |
|
1 |
1 |
1 |
|
|
|
|
|
|
|
1 |
H |
|
|
|
|
1 |
|
|
|
|
|
|
|
K |
|
|
|
|
|
1 |
|
|
|
|
|
|
M |
|
|
|
|
|
|
1 |
|
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|
N |
|
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|
|
|
|
|
1 |
|
|
|
|
P |
|
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|
|
|
|
|
1 |
|
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|
Q |
|
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|
|
|
|
1 |
|
|
R |
|
|
|
|
|
|
|
|
|
|
1 |
|
T |
|
1 |
1 |
1 |
|
|
|
|
|
|
|
1 |
| 抽取了要素: B R
|
层级 3 |
|
C | E | G | H | K | M | N | P | Q | T |
C |
1 |
1 |
1 |
|
1 |
|
|
|
|
1 |
E |
1 |
1 |
1 |
|
1 |
|
|
|
|
1 |
G |
1 |
1 |
1 |
|
1 |
|
|
|
|
1 |
H |
|
|
|
1 |
|
|
|
|
|
|
K |
|
|
|
|
1 |
|
|
|
|
|
M |
|
|
|
1 |
|
1 |
|
|
|
|
N |
1 |
1 |
1 |
|
1 |
|
1 |
1 |
1 |
1 |
P |
|
|
|
|
1 |
|
|
1 |
|
|
Q |
|
|
|
|
1 |
|
|
1 |
1 |
|
T |
1 |
1 |
1 |
|
1 |
|
|
|
|
1 |
|
|
C | E | G | H | K | M | N | P | Q | T |
C |
1 |
1 |
1 |
|
|
|
1 |
|
|
1 |
E |
1 |
1 |
1 |
|
|
|
1 |
|
|
1 |
G |
1 |
1 |
1 |
|
|
|
1 |
|
|
1 |
H |
|
|
|
1 |
|
1 |
|
|
|
|
K |
1 |
1 |
1 |
|
1 |
|
1 |
1 |
1 |
1 |
M |
|
|
|
|
|
1 |
|
|
|
|
N |
|
|
|
|
|
|
1 |
|
|
|
P |
|
|
|
|
|
|
1 |
1 |
1 |
|
Q |
|
|
|
|
|
|
1 |
|
1 |
|
T |
1 |
1 |
1 |
|
|
|
1 |
|
|
1 |
|
|
C |
E |
G |
H |
K |
M |
N |
P |
Q |
T |
C |
1 |
1 |
1 |
|
|
|
|
|
|
1 |
E |
1 |
1 |
1 |
|
|
|
|
|
|
1 |
G |
1 |
1 |
1 |
|
|
|
|
|
|
1 |
H |
|
|
|
1 |
|
|
|
|
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|
K |
|
|
|
|
1 |
|
|
|
|
|
M |
|
|
|
|
|
1 |
|
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|
|
N |
|
|
|
|
|
|
1 |
|
|
|
P |
|
|
|
|
|
|
|
1 |
|
|
Q |
|
|
|
|
|
|
|
|
1 |
|
T |
1 |
1 |
1 |
|
|
|
|
|
|
1 |
| 抽取了要素: M N
|
层级 4 |
|
C | E | G | H | K | P | Q | T |
C |
1 |
1 |
1 |
|
1 |
|
|
1 |
E |
1 |
1 |
1 |
|
1 |
|
|
1 |
G |
1 |
1 |
1 |
|
1 |
|
|
1 |
H |
|
|
|
1 |
|
|
|
|
K |
|
|
|
|
1 |
|
|
|
P |
|
|
|
|
1 |
1 |
|
|
Q |
|
|
|
|
1 |
1 |
1 |
|
T |
1 |
1 |
1 |
|
1 |
|
|
1 |
|
|
C | E | G | H | K | P | Q | T |
C |
1 |
1 |
1 |
|
|
|
|
1 |
E |
1 |
1 |
1 |
|
|
|
|
1 |
G |
1 |
1 |
1 |
|
|
|
|
1 |
H |
|
|
|
1 |
|
|
|
|
K |
1 |
1 |
1 |
|
1 |
1 |
1 |
1 |
P |
|
|
|
|
|
1 |
1 |
|
Q |
|
|
|
|
|
|
1 |
|
T |
1 |
1 |
1 |
|
|
|
|
1 |
|
|
C |
E |
G |
H |
K |
P |
Q |
T |
C |
1 |
1 |
1 |
|
|
|
|
1 |
E |
1 |
1 |
1 |
|
|
|
|
1 |
G |
1 |
1 |
1 |
|
|
|
|
1 |
H |
|
|
|
1 |
|
|
|
|
K |
|
|
|
|
1 |
|
|
|
P |
|
|
|
|
|
1 |
|
|
Q |
|
|
|
|
|
|
1 |
|
T |
1 |
1 |
1 |
|
|
|
|
1 |
| 抽取了要素: C E G H Q T
|
层级 5 |
|
|
| 抽取了要素: P
|
层级 6 |
|
|
| 抽取了要素: K
|