该系统利用了一个多级图像描述模型将语义特征结合到图像检索技术中。
In this paper, a novel system for content-based image retrieval is designed and created, which combines image semantics based on a multi-level model for image description.
该图像描述模型通过在不同层次上对图像内容进行分析和描述，实现了从低级特征到高级语义的过渡。
In this image description model, image contents could be analyzed and represented through different levels and the transition from low-level features to high-level semantics is thus achieved.
上一段描述Python的面向对象的模型图像是对Python的实际工作方式很好的模拟。
The mental picture presented in the previous paragraph describing Python's object-oriented model is actually a fairly good approximation of how Python actually works.
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