According to the design principle of the map symbol, design the travel map symbol and visual function, the scheme of the symbol data store reference and network performance.

根据地图符号的设计原则，设计旅游地图符号及可视化功能，旅游符号数据存储和索引方案及网络性能优化方案。

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In reference of the change of ratios, the influence on the meshing performance and the design of harmonic driver is analyzed.

并根据传动比的变化，分析了其对啮合性能及谐波齿轮设计方面的影响。

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Particularly, the data provided for study and analysis on mechanical performance can offer reference for structural design of suspension bridge and proper selection of major cable line pattern.

特别是提供的力学特性研究分析数据可为悬索桥结构设计、合理选择主索线型具有一定的参考价值。

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