因此，尽管消费者群体之间存在异质性，但不同类别的消费者对可追溯猪肉的本地产属性均具有一定的支付意愿。

Hence, despite the heterogeneity among consumer groups, all classes of consumers had a certain WTP for the local farming labeling attribute of traceable pork.

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结果表明，所建立的网络能反映PP的力学性能特性，预测有一定的准确性，但不同类别的材料预测准确性不同。

The results show that the networks can predict the mechanical properties of PP, but different prediction accuracy is obtained for different PPs.

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结果表明，所建立的网络能反映PP的力学性能特性，预测有一定的准确性，但不同类别的材料预测准确性不同。

The results show that the networks can predict the mechanical properties of PP, but different prediction accuracy is obtained for different PPs.

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