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YYNotesNote Archive
YYNotesBilingual Notes Across Subjects
面向长期积累的双语笔记空间，支持中文主线与英文对照阅读。A long-term bilingual note space with Chinese-first flow and optional English line-by-line support.
双语笔记格式说明Bilingual Format Principle
笔记默认按“中文在上、英文在下”展示，并支持英文一键隐藏，便于快速记忆。Notes are displayed Chinese-first with optional English below, and English can be hidden in one click.
建议学习路径：先看目标与定义，再跟推导，最后完成练习题。Recommended workflow: skim objectives, review definitions, follow derivations, then complete practice prompts.