它实现了全面连通的网络资源，成本低，效率高，使用方便等优点。
It implements the full connectivity of network resources, a low cost, high efficiency, ease to use.
我国的粗放型经济增长方式重生产要素的投入、轻生产要素的使用效率，资源利用效率低；
The extensive economic growth mode in our country pays more attention to the devotion of the operative essentials, but neglects the efficiency of them, therefore, the efficiency is rather lower.
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