Choosing the subject is base on this background.
本文的选题正是基于这样一个大背景。
This area of Boston is highly photographed online and I knew I would be overlaying images of the background buildings on top of the base rendering.
波士顿这片区域在网上就很显眼，我知道我可以在渲染底图上叠加背景建筑的图片。
Introduce the information characteristic of patent, and introduce the background and the concrete paten analysis method that base on this basis.
介绍专利的信息特征，在此基础上介绍专利分析法产生的背景、专利分析的具体方法。
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