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时政学习笔记2026年4月21日,今年油价首次下调等

  • 2026-04-21 18:33:50
时政学习笔记2026年4月21日,今年油价首次下调等
国内要闻

1. 4月21日,全国大规模设备更新与消费品以旧换新第二批补贴全面实施,覆盖家电、汽车、数码、工业设备等多领域。

2. 4月21日24时,国内成品油迎2026年首次下调,预计汽柴油下调525元/吨,加满一箱92号汽油少花约20.5元。

3. 粤港澳大湾区首台“华龙一号”核电机组——太平岭核电1号机组投产,年发电量超90亿千瓦时 。

4. 上海发布《白纹伊蚊预防控制指南(2026版)》,加强登革热、基孔肯雅热等蚊媒传染病防控。

5. 国家卫健委发布“降尿酸方案”,提示近2亿国人尿酸偏高,指导科学饮食与干预。

6. 国航4月21日起恢复北京首都—德里直飞航线,每周二、五、日执飞。

7. 2026中国国际橡塑展在上海开幕,金发科技等企业展出绿色新材料与循环技术。

8. 多地启动春季爱国卫生运动,集中清理积水、垃圾,防控蚊蝇滋生与传染病。

9. 教育部发布通知,要求各地加强校园食品安全,开展食堂食材全覆盖抽检。

10. 全国铁路迎来“五一”节前客流高峰,多条热门线路增开临时列车保障出行。

国际新闻

1. 美伊为期两周的临时停火协议于4月21日到期,谈判破裂,霍尔木兹海峡航运风险陡增。

2. 伊朗革命卫队维持海峡军事管控,警告船只勿靠近,全球约20%石油运输通道受威胁。

3. 美联储主席提名人沃什4月21日出席参议院听证会,全球市场紧盯其利率政策立场。

4. 日本本州东部海域4月20日发生7.7级地震,发布海啸预警,震区进入高度活跃期。

5. 全球6G技术与产业生态大会4月21—23日在南京举行,聚焦标准、芯片、场景落地。

6. 欧盟公布新数字市场法案细则,强化大型科技平台合规与用户数据保护。

7. 巴西宣布扩大亚马逊保护区范围,加大非法采伐与采矿打击力度。

8. 印度南部发生巴士与摩托车相撞事故,致1人死亡、多人受伤。

9. 全球黄金价格突破4800美元/盎司,避险资金涌入推高贵金属行情。

10. 多国联合发布气候行动声明,承诺2030年前将可再生能源占比提升至40%以

科技动态

1.OpenAI推科学AI模型:发布早期版科学模型GPT-Rosalind,聚焦药物发现与生命科学,同时升级Codex使其可调用本地APP,构建“超级AI应用”。

2“超级铜箔”登《Science》:中科院金属所研发出超高强度高导耐热铜箔,破解材料“强度-导电性”倒置难题,将用于新能源与电子信息产业。

3.德国拟松绑工业AI监管:德国政府推动豁免工业AI领域的严苛监管,以保持制造业竞争力,欧盟AI法案执行面临差异化调整。

4.原子尺度催化机制突破:我国科研团队首次在原子尺度证实金属-载体界面“体相氧溢流”现象,登《Nature》,有望革新催化剂设计范式。

5.特斯拉上海工厂拟产机器人:特斯拉中国高管透露,上海超级工厂具备量产Optimus人形机器人潜力,将成为全球机器人制造中心。

历史上的今天

 1983年4月21日:中国首颗试验通信卫星“东方红二号”发射成功,跻身世界卫星通信强国。

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  1. CONNECT:[ UseTime:0.000434s ] mysql:host=127.0.0.1;port=3306;dbname=no_67808;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000875s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000350s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000295s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000512s ]
  6. SELECT * FROM `set` [ RunTime:0.000194s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000596s ]
  8. SELECT * FROM `article` WHERE `id` = 482596 LIMIT 1 [ RunTime:0.000725s ]
  9. UPDATE `article` SET `lasttime` = 1776774397 WHERE `id` = 482596 [ RunTime:0.001700s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000233s ]
  11. SELECT * FROM `article` WHERE `id` < 482596 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000444s ]
  12. SELECT * FROM `article` WHERE `id` > 482596 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000360s ]
  13. SELECT * FROM `article` WHERE `id` < 482596 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002454s ]
  14. SELECT * FROM `article` WHERE `id` < 482596 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001498s ]
  15. SELECT * FROM `article` WHERE `id` < 482596 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001472s ]
0.078823s