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深圳市获奖公开课片段:阿基米德灵感的启示

2026-06-21 13:21:13

深圳市获奖公开课片段:阿基米德灵感的启示

大家都知道，阿基米德泡了个澡就想到了阿基米德原理F浮=G排，可这其中的逻辑在哪里？是怎么想到的？来一起听听老师没讲的内容吧 #初中物理 #公开课 #力学 #浮力 #阿基米德原理 #深圳市获奖课例

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请求信息 : 2026-06-25 04:02:37 HTTP/2.0 GET : https://c.460.net.cn/a/488440.html
运行时间 : 0.111520s [ 吞吐率：8.97req/s ] 内存消耗：4,648.74kb 文件加载：140
缓存信息 : 0 reads,0 writes
会话信息 : SESSION_ID=aa256b431cd2b00889388032b5f56a8a

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CONNECT:[ UseTime:0.000670s ] mysql:host=127.0.0.1;port=3306;dbname=c460;charset=utf8mb4
SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001022s ]
SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000400s ]
SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000338s ]
SHOW FULL COLUMNS FROM `set` [ RunTime:0.000741s ]
SELECT * FROM `set` [ RunTime:0.000300s ]
SHOW FULL COLUMNS FROM `article` [ RunTime:0.000825s ]
SELECT * FROM `article` WHERE `id` = 488440 LIMIT 1 [ RunTime:0.000518s ]
UPDATE `article` SET `lasttime` = 1782331357 WHERE `id` = 488440 [ RunTime:0.002475s ]
SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000296s ]
SELECT * FROM `article` WHERE `id` < 488440 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000490s ]
SELECT * FROM `article` WHERE `id` > 488440 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000419s ]
SELECT * FROM `article` WHERE `id` < 488440 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001877s ]
SELECT * FROM `article` WHERE `id` < 488440 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002358s ]
SELECT * FROM `article` WHERE `id` < 488440 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001919s ]

0.113110s

ShowPageTrace