At present, image retrieval has become a hotspot in the research field of computer science, information science, information management, e-commerce etc.

目前，图像检索已经成为计算机科学、情报学、信息管理与信息系统、电子商务、管理科学与工程等学科的研究热点。

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So far, there are 1059 translation firms alone in Beijing pursuant to the data from the Industry and Commerce Bureau information retrieval system.

笔者通过工商资料检索发现，到目前为止，仅北京市就有1059家翻译公司。

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