Although girder and arch combination bridge has been some studies currently, but the study to the optimization of the structure is very few.
目前，尽管对梁拱组合体系桥梁已经有了一些研究成果，但是对梁拱组合体系桥梁结构优化方面的研究却并不多。
The optimization of the structure of accounting information consumers means to finding out the consumers with real demand and helping them becoming mature and influential consumers.
优化会计信息消费者结构就是要找出具有强烈消费需求动力的会计信息消费者，促使其成熟，扩大他们的消费影响力。
The optimization of the structure of their own: function structure required to "green" forward, the characteristics of the function structure in the scientific and reasonable layout.
结构优化：对自身功能结构要求向“绿色”的特点迈进，在功能结构上科学合理布局。
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