General search engines lack intelligence, which leads to many search results provided irrelevant to users' search intentions.

通用搜索引擎缺乏智能，所提供的检索结果中许多是与用户检索意图无关的信息。

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Common picture archiving and communication systems (PACS) lack intelligence in managing medical images, resulting in inefficient storage and query of images.

一般的图像归档和通信系统(PACS)的管理缺乏智能性，存储及查询图像效率低。

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But, at present most of long-distance education system still continue to use traditional learning mode, and the whole learning process lack intelligence and collaboration.

但是，目前大多数的远程教学系统仍然是沿用传统的学习方式，其整个学习过程缺乏智能性和协同性。

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But, at present most of long-distance education system still continue to use traditional learning mode, and the whole learning process lack intelligence and collaboration.

但是，目前大多数的远程教学系统仍然是沿用传统的学习方式，其整个学习过程缺乏智能性和协同性。

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