PDF files have become ubiquitous in our multi-platform world. This convenient file format makes it possible to view and share documents across various devices using various operating systems and ...

PDF (核心强项)： 直接在PDF文档中框选重点内容（文字、公式、图表等）,一键生成高保真 Anki 闪卡，支持问答和挖空制卡，支持多种挖空模式(遮一猜一、遮全猜一、自由猜等)，保留上下文（截图+来源定位）。支持增量更新导入，学完一章制卡一章，轻松实现 ...

Better Export PDF is an Obsidian PDF export enhancement plugin that adds the ability to export bookmarks outline, export preview and add page numbers to PDF compared to the official PDF export ...

PDF and Word files each serve a purpose—one’s made for editing, the other for sharing. Knowing when to switch can help you save time, avoid formatting issues, and keep things moving. Let’s take a ...

Abstract: Reliable and efficient trajectory generation methods are a fundamental need for autonomous dynamical systems. The goal of this article is to provide a comprehensive tutorial of three major ...

Abstract: Sixth-generation (6G) mobile communication networks are expected to have dense infrastructures, large antenna size, wide bandwidth, cost-effective hardware, diversified positioning methods, ...

Learn the benefits and risks of options and how to start trading options Lucas Downey is the co-founder of MoneyFlows, and an Investopedia Academy instructor. Samantha (Sam) Silberstein, CFP®, CSLP®, ...