and first proposed network
And first proposed network "rate of return on investment" concept, to enable enterprises to invest in the network no longer limited to investment, but to investment can be a very good return.
基于1个网页-相关网页
and first proposed network
第一个提议的网络
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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First, on the basis a classification of network courseware, the concept and characteristics of streaming courseware system are proposed.
在对网络课件分类的基础上首先提出了流课件的概念及特点。
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