结合树型结构和网络结构的自身优势与缺陷，提出了城市绿地树网型结构模式，并对城市绿地树网结构的特征、优势和研究方向提出了建议。
It also proposes the pattern of tree-network structure of urban green space based on the advantage and flaw of tree-type structure and network-type structure.
神经网络已广泛应用于故障诊断领域，但也存在冗余数据难以剔除、网络结构复杂的缺陷，与其他理论相结合可以得到更优越的诊断特性。
Neural network has extensively applied to fault diagnosis. By being combined with other technologies, it will achieve more superiority over its defect in redundancy of data and network construct.
结合树型结构和网络结构的自身优势与缺陷，提出了城市绿地树网型结构模式，并对城市绿地树网结构的特征、优势和研究方向提出了建议。
This paper proposes an algorithm that is used to construct the Web structure tree and a Web information extraction method based on Web page structure tree.
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