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五年级信息科技|网页排名有策略PPT

  • 2026-11-04 18:14:12
五年级信息科技|网页排名有策略PPT

五年级信息科技｜网页排名有策略PPT🔥

🗂️配套材料包
课件（30页可编辑）+教学设计+逐字稿+单元评价量表+学习任务单+教材信息+交互网页+记录被链接情况表格

五年级信息课超有意思一课✨网页排名有策略，原来算法这么简单！
💡算法 = 隐形管家购物 / 导航 / 短视频全靠它
🎮小游戏秒懂核心被链接越多→网页越重要→排名越靠前
🔍搜索引擎 3 步走爬虫记票→排序→展示
📌PageRank 关键被链次数 + 权威来源 + 链接强度
✅聪明上网 3 原则不沉迷｜护隐私｜看多元信息
科技向善，做理智小网民💻
#信息技术 #信息科技 #人教版信息科技 #义务教育信息与科技课程标准 #信息老师 #五年级信息科技 #小学信息技术

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贵州,2小时前,
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基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-11-09 23:53:41 HTTP/1.1 GET : http://h.sjds.net/a/496674.html
  2. 运行时间 : 0.073837s [ 吞吐率：13.54req/s ] 内存消耗：4,381.53kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=b03486952dea0a1048e430ab80f425a1
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  1. CONNECT:[ UseTime:0.000794s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001001s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000475s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000413s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000570s ]
  6. SELECT * FROM `set` [ RunTime:0.000269s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000596s ]
  8. SELECT * FROM `article` WHERE `id` = 496674 LIMIT 1 [ RunTime:0.000359s ]
  9. UPDATE `article` SET `lasttime` = 1794239621 WHERE `id` = 496674 [ RunTime:0.001436s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000366s ]
  11. SELECT * FROM `article` WHERE `id` < 496674 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000535s ]
  12. SELECT * FROM `article` WHERE `id` > 496674 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000360s ]
  13. SELECT * FROM `article` WHERE `id` < 496674 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000545s ]
  14. SELECT * FROM `article` WHERE `id` < 496674 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000534s ]
  15. SELECT * FROM `article` WHERE `id` < 496674 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000680s ]
0.085894s