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Degree of coupling coordination | Relative development degree | Characteristics of coordination types | Type | Coordination stage |
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0 < ≤ 0.3 | 0 < E ≤ 0.8 | The sea use status lags behind the marine economy, restricting the development of the marine economy; sea areas tend to be extensively utilized | I | Separation |
0.8 < E < 1.2 | The sea use status synchronizes with the marine economy, facilitating the development of the marine economy; sea areas tend to be intensively utilized | II |
1.2 ≤ E | The sea use status is ahead of the marine economy, affecting the development of the marine economy; sea areas tend to be excessively utilized | III |
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0.3 < ≤ 0.5 | 0 < E ≤ 0.8 | The sea use status lags behind the marine economy, restricting the development of the marine economy; sea areas tend to be extensively utilized | IV | Antagonism |
0.8 < E < 1.2 | The sea use status synchronizes with the marine economy, facilitating the development of the marine economy; sea areas tend to be intensively utilized | V |
1.2 ≤ E | The sea use status is ahead of the marine economy, affecting the development of the marine economy; sea areas tend to be excessively utilized | VI |
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0.5 < ≤ 0.8 | 0 < E ≤ 0.8 | The sea use status lags behind the marine economy, restricting the development of the marine economy; sea areas tend to be extensively utilized | VII | Run-in |
0.8 < E < 1.2 | The sea use status synchronizes with the marine economy, facilitating the development of the marine economy; sea areas tend to be intensively utilized | VIII |
1.2 ≤ E | The sea use status is ahead of the marine economy, affecting the development of the marine economy; sea areas tend to be excessively utilized | IX |
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0.8 < ≤ 1 | 0 < E ≤ 0.8 | The sea use status lags behind the marine economy, restricting the development of the marine economy; sea areas tend to be extensively utilized | X | Coordination |
0.8 < E < 1.2 | The sea use status synchronizes with the marine economy, facilitating the development of the marine economy; sea areas tend to be intensively utilized | XI |
1.2 < E | The sea use status is ahead of the marine economy, affecting the development of the marine economy; sea areas tend to be excessively utilized | XII |
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