说明：  介绍了基于文本的网络图像搜索技术的搜索原理、对图像与文本的关联特性和文本匹配技术进行了分析，指出了基于文本的网络图像搜索技术缺陷和发展趋势。
(Introduces the text-based the network image search technology search principle, associated image and text features and text-matching techniques to the analysis pointed out that the text-based the network image search technology defects and trends.)