模拟了基于美国国家科学基金网络模型的光突发交换。
We simulate the optical burst switching based on NSFNet network.
这个新的国家科学基金会网络吸引了越来越多的机构用户，其中很多都有自己的内部网络。
This new NSF network attracted more and more institutional users, many of which had their own internal networks.
在堪称互联网进化先驱的国家科学基金会网(National Science Foundation Net work)的帮助下，《科学家》成为了第一份可以在网络上免费下载的全文本科普刊物。
Using the National science Foundation Network, an evolutionary precursor of the Internet, we were the first full-text science publication to be freely available on the web.
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