The conventional symbol library is binding on its platform, and the GIS can not share their symbol library, so it brings out a number of repetitive labors, prolongation of construction project.
传统的符号库是平台相关的，无法在不同GIS系统之间实现共享，造成了大量的重复劳动，延长了GIS项目的建设周期。
参考来源 - 基于MSDT引擎的地图符号互操作的研究与应用·2,447,543篇论文数据，部分数据来源于NoteExpress
This evaluation may be useful to designers of GIS or symbol library.
这种评估对于GIS系统和符号库的设计者都有着很好的借鉴作用。
Realize spatial data visualization based on designed map symbol library.
基于所设计的地图符号库实现了空间数据的可视化。
Finally, how the symbol library is applied is Electronic Chart Displaying and Information System (ECDIS) is introduced and the application results are evaluated in details.
最后，介绍了如何将新的点状符号库应用于现有电子海图系统中，并对应用的效果作了详细的评估。
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