The research has certain significance. It could be applied in the navigation service in network teaching.
本文所做的研究具有一定的意义，可以应用于网络教学的导航服务中。
Website navigation is an efficient way of organizing network resources, and it is also an important function of message service, which a website could offer to its users.
网站导航是一种有效的网络资源组织方式，也是网站能够提供的一种重要的信息服务功能。
There are huge advantages for network teaching to provide navigation service. But some deficiencies inevitably existed at the same time, especially on the aspect of individualized navigation.
现阶段的网络教学中为学习者提供学习导航服务在赋予网络教学巨大优势的同时也不可避免地存在着一些不足之处，尤其是在个性化的导航方面。
The main items includes characteristic digital resourses construction, network reference service, electronic magazines, mutual borrow and navigation service.
主要项目包括：特色数字化资源建设、网上参考咨询服务、电子馆刊、馆际互借与文献传递服务、导航服务。
The processing of traffic flow data provides reliable data for the service evaluation of road network, optimum path calculation and vehicle navigation.
交通流数据处理为路网服务水平的评价、最佳路径计算等提供可靠的数据。
The processing of traffic flow data provides reliable data for the service evaluation of road network, optimum path calculation and vehicle navigation.
交通流数据处理为路网服务水平的评价、最佳路径计算等提供可靠的数据。
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