最早采用这种机制的主要是一些网络资源有限的运营商，比如卫星网络，手机网络等等，不过后来这种机制逐渐被推广到其它的有线运营商中去。
Though it originated amongst ISPs with limited resources available (Satellite and Cellular come to mind), it is spreading to the largest of networks, such as cable and DSL.
而网络学习环境是能够自主获得的综合了课程材料，在线交流渠道，多媒体和其它具有交际特色的网络资源。
While a networked learning environment is an autonomously accessible web resource that combines hypertext course materials, online communication channels, multimedia and other interactive features.
虚拟资源网可使控制组件网络化，每个组件有唯一地址，网络中的其它资源不需要知道它的确切位置，只根据网络资源名就可以访问它。
VRN considers control components as resource, each component has unique address, and other resources access it only through its network source name and need not know where it lies exactly.
除了法学著作外，我们也欢迎各界捐赠其它法学类资料，如期刊、档案、光盘、影视、网络资源、软件等等。
In addition to law books, we also welcome donations of other law materials, such as law journals, archives, CDs, films, Internet resources, and software.
除了法学著作外，我们也欢迎各界捐赠其它法学类资料，如期刊、档案、光盘、影视、网络资源、软件等等。
In addition to law books, we also welcome donations of other law materials, such as law journals, archives, CDs, films, Internet resources, and software.
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