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English Summary: iFLYTEK has developed a national common language learning platform using its intelligent speech technology, which has been certified by the Ministry of Education and tested on over 50 million users. The platform addresses the uneven proficiency in Mandarin among teachers in ethnic minority regions by providing a closed-loop system that includes language diagnosis, intelligent learning recommendations, specialized training modules, and assessment tools, covering all four language skills: listening, speaking, reading, and writing. 中文摘要翻译：科大讯飞利用其唯一经教育部鉴定、累计测试超5000万用户的智能语音技术，研发了国家通用语言学习平台。该平台针对少数民族地区教师普通话能力参差不齐的现状，构建了从语言诊断到推荐学习、专项训练、培训考核的闭环系统，覆盖“听、说、读、写”四大语言技能，全面提升学习者的语言应用能力。

This guide provides a comprehensive overview of accessing and using Weibo's web version without login, detailing its direct browser access, quick loading features, QR code login, and rich social interaction functions including multimedia content, hot topic aggregation, and private messaging systems. (本文全面介绍了微博网页版免登录访问方式，涵盖直接浏览器访问、快速加载功能、二维码登录以及丰富的社交互动功能，包括多媒体内容、热门话题聚合和私信系统等。)

This guide provides step-by-step solutions for logging into WeChat on a computer when your primary phone is unavailable, broken, or lost. It covers alternative verification methods, troubleshooting steps, and security considerations for Chinese technical professionals. (本指南为技术专业人士提供当主要手机不可用、损坏或丢失时，在电脑上登录微信的分步解决方案。涵盖替代验证方法、故障排除步骤和安全注意事项。)

This article provides a structured learning path and essential resources for beginners in data science, covering foundational concepts, practical tools, and career development strategies. (本文为数据科学初学者提供系统学习路径和核心资源，涵盖基础概念、实用工具和职业发展策略。)

This article provides a comprehensive analysis of Microsoft's introductory data science course, covering its curriculum structure, technical components, and practical applications. The course is designed to equip learners with foundational skills in data analysis, machine learning, and cloud computing using Microsoft technologies. (本文全面分析了微软数据科学入门课程，涵盖其课程结构、技术组件和实际应用。该课程旨在帮助学习者掌握使用微软技术进行数据分析、机器学习和云计算的基础技能。)

This article provides a detailed analysis of Microsoft's introductory data science course content, covering key modules, tools, and learning outcomes for technical professionals. (本文详细分析了微软数据科学入门课程内容，涵盖关键技术模块、工具和学习成果，适合技术专业人士参考。)

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English Summary: xAI's Grok-4 model, launched in July 2025, claims to be the world's strongest AI with superior logical reasoning and language understanding, achieving doctoral-level academic performance. The Grok-4 Heavy version scored 44.4% on the Humanity's Last Exam benchmark. While official access requires paid subscriptions, the DeepSider browser extension offers free access to Grok-4 and other top models like GPT-4o and Claude 4 Sonnet for Chinese users without VPN or foreign email requirements. 中文摘要翻译：2025年7月，马斯克旗下xAI公司发布Grok-4模型，号称“世界最强AI”，具备更强的逻辑推理和语言理解能力，学术表现达博士水平。Grok-4 Heavy在Humanity's Last Exam基准测试中获44.4%高分。官方需付费订阅，但DeepSider浏览器插件为国内用户提供免费体验Grok-4、GPT-4o等顶级模型的便捷途径，无需翻墙或海外邮箱。

English Summary: This guide introduces Grok-4.1 Chinese version, which achieves a leading 1483 Elo score on LMArena, surpassing GPT-5 by 31 points. It highlights key advantages for Chinese users: no VPN required, optimized Chinese dialogue, and access through domestic mirror sites. The article also covers performance metrics like 65% reduced hallucination rate and high EQ-Bench scores, along with practical usage tips and safety assurances. 中文摘要翻译：本指南介绍Grok-4.1中文版，该模型在LMArena上以1483分领先，超越GPT-5达31分。重点突出对中国用户的优势：无需翻墙、中文对话优化、通过国内镜像站访问。文章还涵盖性能指标，如幻觉率降低65%、高情商得分，以及实用使用技巧和安全保障。