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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α | β | γ | δ | ε | ζ | η | θ | ι | κ | λ | μ | ν | ξ | ο | π | ρ | σ | τ | φ |
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α | β | γ | δ | ε | ζ | η | θ | ι | κ | λ | μ | ν | ξ | ο | π | ρ | σ | τ | φ |
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λ |
μ |
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1 |
| 抽取了要素: δ ε θ μ ο π
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层级 2 |
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α | β | γ | ζ | η | ι | κ | λ | ν | ξ | ρ | σ | τ | φ |
α |
1 |
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α | β | γ | ζ | η | ι | κ | λ | ν | ξ | ρ | σ | τ | φ |
α |
1 |
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α |
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κ |
λ |
ν |
ξ |
ρ |
σ |
τ |
φ |
α |
1 |
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ι |
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σ |
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τ |
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φ |
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1 |
| 抽取了要素: β λ σ φ
|
层级 3 |
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α | γ | ζ | η | ι | κ | ν | ξ | ρ | τ |
α |
1 |
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1 |
1 |
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1 |
γ |
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ρ |
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1 |
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τ |
1 |
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1 |
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1 |
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α | γ | ζ | η | ι | κ | ν | ξ | ρ | τ |
α |
1 |
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1 |
γ |
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1 |
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1 |
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1 |
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1 |
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η |
1 |
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1 |
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1 |
ι |
1 |
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1 |
κ |
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ν |
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ρ |
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τ |
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1 |
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α |
γ |
ζ |
η |
ι |
κ |
ν |
ξ |
ρ |
τ |
α |
1 |
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1 |
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1 |
γ |
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1 |
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η |
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ι |
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1 |
κ |
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ν |
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ξ |
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ρ |
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τ |
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1 |
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1 |
| 抽取了要素: α γ ι κ ρ τ
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层级 4 |
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| 抽取了要素: η ν ξ
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层级 5 |
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| 抽取了要素: ζ
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