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优质课件:《夏商周时期的科技与文化》

  • 2026-09-24 20:43:48
优质课件:《夏商周时期的科技与文化》
本课件以三星堆文明为趣味导入，围绕夏商周时期的科技与文化展开教学，通过青铜铸万象、甲骨绘方圆、天人合一、穿越千年之浪漫四大板块，系统讲解商周青铜器、甲骨文、天文历法医学、《诗经》与楚辞等核心成就，依托文物故事与史料研读挖掘文物价值，展现中华文明多元一体、源远流长的特质，助力学生感悟先秦文明魅力、培育文化自信与历史核心素养。
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【课件】射线检测工艺例题

基本 文件 流程 错误 SQL 调试
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  1. CONNECT:[ UseTime:0.000818s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001016s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000453s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000388s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000554s ]
  6. SELECT * FROM `set` [ RunTime:0.000317s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000694s ]
  8. SELECT * FROM `article` WHERE `id` = 510794 LIMIT 1 [ RunTime:0.000367s ]
  9. UPDATE `article` SET `lasttime` = 1790508513 WHERE `id` = 510794 [ RunTime:0.001464s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000312s ]
  11. SELECT * FROM `article` WHERE `id` < 510794 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000515s ]
  12. SELECT * FROM `article` WHERE `id` > 510794 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000343s ]
  13. SELECT * FROM `article` WHERE `id` < 510794 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000480s ]
  14. SELECT * FROM `article` WHERE `id` < 510794 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000625s ]
  15. SELECT * FROM `article` WHERE `id` < 510794 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000580s ]
0.081180s