在前端技术快速迭代的当下，掌握Vue3已成为开发者立足未来的关键。若想通过2022版Vue3系统入门实战课程快速上手，需聚焦以下核心模块。 虚拟DOM与Diff算法优化是性能提升的关键。Vue3的双端比较和LIS算法能精准定位节点变化，减少不必要的DOM操作。例如，在列表渲染场景 中，Vue3的Diff算法能高效处理节点顺序变化，渲染速度比Vue2更快。理解这些原理，能帮助开发者写出更高效的代码。 生态工具链是开发效率的保障。课程结合Vite构建工具，利用其冷启动和HMR特性，大幅提升开发体验。同时，掌握Vue Router实现路由管理、 Pinia进行状态管理，能构建出结构清晰、可维护性强的应用。 聚焦这些核心模块，结合实战项目不断练习，开发者能快速掌握Vue3，在前端开发浪潮中占据先机 响应式系统与组合式API是Vue3的灵魂。与Vue2基于Object.defineProperty的实现不同，Vue3采用Proxy实现响应式，不仅能监听对象属性的增删， 还能追踪数组索引变化。组合式API通过setup函数将逻辑聚合，配合ref、reactive等函数管理状态，让代码更易维护与复用。例如，使用ref定义计 ...

央视网消息：受纬度和气候影响，新疆的油菜花一般在夏季盛开。这两天，新疆石河子市千亩油菜花竞相绽放。 受纬度和气候影响，新疆的油菜花一般在夏季盛开，与其它省市的油菜花呈现出"错时绽放"的独特性，花期持续30至35天。油菜花盛开不 仅带动了当地旅游业发展，每亩地还有近千元的收益，实现了"颜值"与"产值"双丰收。 贵州德江：石山变"金山" 花椒喜丰收 透过大美中国，聚焦生态文明建设。 贵州省德江县地处乌江两岸，境内沟壑纵横，长期的雨水冲刷和传统种植方式导致一些区域石漠化现象严重。近十年来，当地因地制宜， 统筹推进石漠化治理和山地特色农业，种植了大量耐旱固土的花椒树，让曾经的荒石山变成了现在的青山，更成了百姓致富的"金山"。 今年，石河子市首次在G30国道连霍高速公路沿线大规模种植油菜。随着油菜花进入盛花期，千亩花海溢彩流金，金色的花朵蓬勃怒放， 连霍高速公路如一条玉带蜿蜒穿行于花海中，将城市与沿途美丽乡村紧密相连，形成了独特而迷人的"城市田园"风光，吸引了不少人前来打卡 留念。 广东揭阳：时令水果成熟 高山凤梨陆续上市 小暑过后，众多应季佳果陆续成熟。在广东省揭阳市惠来县，时令水果高山凤梨陆续上市，头顶绿缨、表皮青 ...

Core Viewpoint - The "14th Five-Year Plan" has achieved significant progress in China's economic and social development, particularly in green development, which has become a prominent feature of contemporary China [1] Group 1: Achievements in Green Development - The concept of "green mountains and clear waters are as valuable as mountains of gold and silver" has gained widespread acceptance, leading to improved environmental quality across urban and rural areas [1] - Forest coverage has increased to over 25%, with new forest area equivalent to the size of Shaanxi Province, contributing to one-fourth of the global increase in greening [1] - The proportion of days with good air quality has stabilized at around 87%, an increase of 3 percentage points compared to the "13th Five-Year Plan" period [1] - Major rivers like the Yangtze and Yellow Rivers have achieved Class II water quality standards throughout their main streams [1] Group 2: Energy and Resource Utilization - The scale of installed renewable energy generation has historically surpassed that of coal power, establishing the world's largest clean power system, with one-third of electricity being green energy [2] - Over 20% of raw materials used in steel production come from recycled scrap, demonstrating significant energy savings and carbon reduction [3] Group 3: Future Opportunities in Green Investment - The construction of a new energy system, including large-scale wind and solar bases, new energy storage, smart grids, and hydrogen industry, presents vast opportunities [4] - Industrial green and low-carbon transformation will focus on high-energy-consuming sectors such as steel, non-ferrous metals, building materials, and chemicals [4] - Development of a green transportation system, including the entire supply chain for new energy vehicles and smart urban traffic systems, is essential [4] - Enhancements in urban and rural living environments through green buildings and resilient cities are prioritized [4] - Ecological restoration and carbon sink enhancement, including forestry, marine, and grassland carbon sinks, are critical areas for investment [4] - Innovations in green technology and services, such as advanced low-carbon technologies and environmental big data, are also highlighted [4]

来源：环球网 7月8日，中国移动产业投资生态企业武侯行投资推介会暨重大项目签约仪式在成都市武侯区举行。活动 深度链接中国移动产业生态资源，聚焦人工智能、微波射频等前沿领域，集中展示武侯区优越投资环境 与发展机遇，推动重大产业项目落地。 中国移动通信集团、科大讯飞股份有限公司、苏州伏泰信息科技股份有限公司、广州思林杰科技股份有 限公司、上海圣永丞半导体科技有限公司等近百家企业代表齐聚武侯，共谋发展新机遇，共绘未来新蓝 图。 城市价值绽放 48项机遇加速"立园满园" 近年来，武侯区深入实施"立园满园"行动，加快培育和发展新质生产力，释放广阔的发展空间和机遇。 活动中，武侯区各产业园区面向中国移动生态企业及区域经济合作伙伴进行集中推介，并发布重磅投资 机会清单。 此次清单涵盖解决方案、项目建设、技术攻关、应用推广等多元合作内容，共计48项重大投资合作机 会。科大讯飞副总裁周佳峰表示："武侯区独特的产业土壤为AI技术规模化落地提供了'黄金试验场'， 详细梳理出的合作机遇，为企业提供了清晰指引。这些机遇的本质，是武侯区在加快构建'技术研发-硬 件支撑-场景开放'的完整生态闭环，这正是AI企业最稀缺的成长要素。" 政企深 ...

7月9日，国务院新闻办公室举行"高质量完成'十四五'规划"系列主题首场新闻发布会。国家发展改革委 相关负责人介绍"十四五"时期经济社会发展成就。 今年经济体量有望达到140万亿元左右 国家发展改革委主任郑栅洁表示，"十四五"期间我国GDP规模持续突破110、120、130万亿元，今年经 济体量有望达到140万亿元左右。 郑栅洁进一步表示，我国5年经济增量预计将超过35万亿元，相当于广东、江苏、山东也就是排名前3经 济大省2024年的总量，超过长三角地区的总量，相当于再造一个长三角，也超过世界排名第3国家的总 量，每年对世界经济增长的贡献率保持在30%左右。 过去4年内需对经济增长的平均贡献率为86.4% 中国拥有超大规模且极具增长潜力的国内市场，内需始终是中国经济发展的主动力和稳定锚。 国家发展改革委秘书长袁达表示，从内需整体看，过去4年中国经历了国际环境剧烈变化等多重困难挑 战冲击，但国民经济保持了年均5.5%的增长速度，其中内需对经济增长的平均贡献率为86.4%。 从内需构成看，袁达介绍，有三方面特点尤为突出。 一是消费向新而行。过去四年最终消费对中国经济增长的平均贡献率达到56.2%，比"十三五"期间提 ...

在信息爆炸但专业价值稀缺的资本市场，投资者从未如此渴求系统化的学习工具与精准决策支持。 2025年7月，九方智投股票学习机迎来里程碑式版本迭代，以超过30项功能升级强势回应市场期 待。本次升级不仅聚焦工具性能提升，更以"生态化、专业化、智能化"为核心，打造一站式投资赋 能平台，深刻契合注册制深化下投资者结构变化与专业投顾服务升级的行业大趋势。 ▲ 图为用户正在使用"易知股道"股票学习机 牛人应用：构建金融内容创作者生态 股票学习机本次迭代的核心突破在于重磅上线"创作者生态平台"，这标志着九方智投股票学习机已 从工具提供者向生态构建者跃迁。 其中，"牛人页"是专业价值的"展览馆"。它打破信息茧房，将经过严格筛选的优秀金融创作者及其 专业成果集中展示。投资者可高效发掘与自身投资理念契合的实力导师，解决"选对人"的行业痛 点。 ▲ 图为股票学习机"牛人页" "关注页"是专属信息的"聚合器"。投资者关注的牛人动态、观点更新、策略调整等信息实现一站式 聚合推送。告别信息碎片化，确保用户紧跟所信赖导师的最新洞见，提升信息获取效率。 牛人主页升级是深度互动的"新阵地"。其实现视觉与交互体验全面优化，牛人信息展示更全面。特 ...

AI智能家居成新兴消费热点 记者在现场注意到，展会首日现场人流如织，国内外游客热情似火，包括展区设计、产品概念等均呈现年轻化趋势。其中，AI 智能家居应用成新兴消费热点，全屋智能化系统、智能门锁等更备受现场消费者关注。 21世纪经济报道记者 翁榕涛 实习生 赖桂筠 广州报道 7月8日，第27届中国建博会（广州）召开，吸引参展企业近2000家，本届展会以跨界融合发展为创新亮点，以室内空间、门窗 户外、材艺智造三大生态为核心重构布局。 其深层意义在于，推动中国大家居建装企业告别单一产品竞争，转向提供空间整体解决方案的能力输出。 值得注意的是，本届展会打破传统照明与大家居建装行业的界限，联动定制、门窗等家居题材，首次设立智能照明展馆，吸引 头部智能照明企业参展，并举办专业论坛，引入DALI、Matter等国际技术联盟推动技术创新与标准化发展。 （用户现场体验家居产品，图源：企业供图） 艺智造生态以"向新"聚焦工艺与技术突破，为供应链企业提供兼具技术展示和商贸转化属性的五金竞技场、材料观新台和装备 智造营"三大场域"。 在体验AI全屋智能的区域，专业讲解员表示，"相比以前只能简单地开关窗帘，提前定时开空调而言，现在的 ...

Core Viewpoint - Qingdao Beer emphasizes quality as the foundation of its development, showcasing its transformation in the digital age through meticulous control and management of the brewing process [1] Group 1: Quality Management - Qingdao Beer has established a leading "exclusive" malt factory to enhance the quality of its beer, utilizing a "barley fingerprint database" and innovative malt flavor mapping technology [3] - The company employs a rigorous quality control process, including over 1800 quality inspection projects and precise temperature control to ensure the quality of each beer [3] - A new digital quality management model has been introduced, encompassing standardized control systems and a digital management platform to enhance consumer experience [4] Group 2: Technological Innovation - Qingdao Beer has been recognized for its scientific advancements, winning the National Science and Technology Progress Award four times, highlighting its commitment to research and development [5] - The introduction of "Qingdao Beer Original" emphasizes freshness and quality, with a shelf life of only 7 days, utilizing smart supply chain monitoring for optimal delivery [5] Group 3: Consumer Engagement - The company is adapting to the preferences of younger consumers by creating a "Beer+" ecosystem that allows for personalized product customization for various occasions [6][7] - New product lines, such as the A series, are designed to meet specific consumer scenarios, enhancing the overall brand experience [7] Group 4: Sustainability Initiatives - Qingdao Beer is leading the industry in sustainability efforts, including the use of lightweight bottles and exploring new models for wastewater value sharing [8] - The company is committed to rapid responses to market changes, ensuring that quality transformation aligns with consumer demands [8]

生态发展理论为体育赛事研学旅行的可持续发展注入动力，该理论强调系统各要素之间的相互联系和动 态平衡，在实践中则体现为内外两个循环系统的协同共进。内循环系统聚焦于教育过程本身，覆盖课程 开发、师资培养、学生实践、文化传承等环节，这些环节相互衔接，形成一个完整的教育生态链，其 中，课程开发是基础，师资培养是关键，学生实践是核心，文化传承是目标。外循环系统则关注更宏观 的支持环境，包括政策支持、资源整合、质量评估、反馈优化等方面，这些要素构成了保障体系，政策 支持在当前发展阶段发挥着举足轻重的作用，为体育赛事研学旅行的蓬勃发展提供了坚实的制度保障。 内外循环系统相互配合、协同运作，共同推动体育赛事研学旅行朝着可持续、高质量的方向迈进。 一、"双减"浪潮下：体育赛事研学旅行的时代契机与价值凸显 当前我国基础教育正经历着一场意义深远的变革，2021年7月，中共中央办公厅、国务院办公厅联合印 发的《关于进一步减轻义务教育阶段学生作业负担和校外培训负担的意见》明确提出"双减"政策，这一 政策绝非简单的减负之举，而是标志着教育发展理念的根本性转变，它不仅聚焦于减轻学生过重的作业 负担和校外培训负担，更将目光投向构建高质量教育 ...

Core Insights - The launch of three new cars, Xiaomi YU7, Xpeng G7, and BYD Seal Travel Edition, aims to invigorate the competitive Chinese automotive market and address the ongoing "involution" issues [10] Group 1: Xiaomi YU7 - Xiaomi YU7 has garnered significant attention for its aesthetic appeal, featuring nine color options and a design that resonates with younger consumers [1][4] - The vehicle achieved a record of 200,000 pre-orders within three minutes of its launch, indicating strong market demand [2] - Xiaomi's strategy focuses on leveraging attractive designs to capture the interest of the youth demographic, similar to the success of its previous model, SU7 [4] Group 2: Xpeng G7 - Xpeng G7 is positioned as a cutting-edge AI smart family SUV, featuring the world's first L3-level AI capabilities [5][7] - The vehicle is equipped with three Turing AI chips, boasting a processing power of 2250 TOPS, which is significantly higher than competitors [5] - Xpeng's focus on AI technology aims to enhance driving intelligence and safety, paving the way for future advancements in autonomous driving [7] Group 3: BYD Seal Travel Edition - BYD's Seal Travel Edition is the world's first plug-in hybrid travel car, designed to cater to the preferences of family users in different regions [8][10] - The vehicle combines the agility of a sedan with the spaciousness of an SUV, offering a versatile option for consumers [8] - BYD's strategic launch in Europe coincides with a surge in demand for travel cars, indicating a potential expansion into new markets [10] Group 4: Market Dynamics - The recent launches reflect a shift in focus from price competition to product strength, as companies aim to establish unique identities in a crowded market [10] - The automotive industry is witnessing a call for healthier competition, moving away from detrimental price wars that threaten industry stability [10]