测试场景：给出一个 200 行的混乱 Python 爬虫脚本，要求重构为面向对象结构，并输出 Mermaid 类图。
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[70]PCT（Patent Cooperation Treaty）即专利合作条约，是专利领域的一项国际合作条约。PCT专利申请受理量是指国家知识产权局作为PCT专利申请受理局受理的PCT专利申请数量。
1. You prefer Samsung's kitchen sink approach to software While Samsung's software experience has become less buggy and chaotic since the old TouchWiz days, OneUI, now on version 8.5, remains one of the most feature-rich versions of Android on the market. The native launcher lets you customize elements such as wallpaper shade, widget styles, swipe animations, and more.