A universal active network architecture based on mobile agent technology was proposed, also a prototype application-active search engine founded on this architecture was put forward.

提出了一种基于移动代理技术的通用主动网络架构，并给出了一种基于此架构的原型应用——主动搜索引擎。

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GOOGLE has built an impressive digital empire on the back of its powerful search engine, which dominates many of the markets in which the firm is active.

谷歌以其强有力的搜索引擎为后盾，已经建立起了一座令人印象深刻的数码帝国，并活跃地占据着很多市场。

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Ask clearly displays whether AskEraser is active, and Graham notes that the search engine has stopped tracking the time and date of cookies it places on user machines.

FORBES: Ask.com's Search Policy Splits Privacy Groups