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Chasing 100M Daily Users, Duolingo Reconsiders Ads, Paying Influencers, and Its Most Expensive Plan

AI got cheap enough that Duolingo’s most expensive plan may not survive it. I read the earnings call transcript and opened the app to see what is actually changing for learners.

Dhawal Shah Sep 03, 2026

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智能车辆机器学习技术


本课程将帮助学生了解最新的自动驾驶和机器学习技术。在课程结束时，学生应能够理解机器学习的基本机制，并设计自己的学习算法来解决自动驾驶相关问题。
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通过词源、构词法、词根词缀与语境分类，系统提升英语词汇的理解、记忆、搭配和使用能力。
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笔译理论与实践


结合英汉语言文化对比与语料库辅助检索，系统训练科技、经济等实用文体的笔译、审校与润色能力。
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人工智能时代的创新思维


以大数据、人工智能基础与多种思维方法为框架，培养人机协同的创新与问题解决能力。
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复杂航天器控制系统设计


系统学习航天器轨道与姿态测量、动力学及控制系统设计，并通过建模、仿真与实验培养工程实践能力。
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图像采集与处理


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高分子合成工艺学


围绕聚合反应机理，讲解高分子原料、设备及自由基、离子和逐步聚合等合成工艺。
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现代光学


以量子光学为核心，系统讲授电磁场量子化、光与物质相互作用及开放量子系统理论。
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聚焦㶲分析、不可逆过程与有限时间热力学的工程热力学高级课程。
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