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| Strengths are stable under small changes in |
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| the
model. |
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|
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| This model allows |
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| extra freedom: |
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| different tones
are |
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| allowed to define |
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| their targets |
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| differently |
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|
|
|
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| This model allows |
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| less freedom: all |
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| tones have the |
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| same type of
target. |
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|
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| The two models
have |
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| words defined by |
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| different labelers |
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