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59页PPT,全面了解“无线通信原理”

  • 2026-09-18 22:35:59
59页PPT,全面了解“无线通信原理”

加入鲜枣课堂“知识星球”，就可以下载这份PPT的源文件！


所有素材都可以直接编辑使用！

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做PPT套模板还是丑?那是因为你没掌握这9个要点!

基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-09-28 17:39:32 HTTP/1.1 GET : http://h.sjds.net/a/458269.html
  2. 运行时间 : 0.073068s [ 吞吐率：13.69req/s ] 内存消耗：4,554.70kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=b222e5511f1bd39348c911d7982ff316
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  1. CONNECT:[ UseTime:0.000762s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000934s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000406s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000360s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000723s ]
  6. SELECT * FROM `set` [ RunTime:0.000325s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000616s ]
  8. SELECT * FROM `article` WHERE `id` = 458269 LIMIT 1 [ RunTime:0.000354s ]
  9. UPDATE `article` SET `lasttime` = 1790588372 WHERE `id` = 458269 [ RunTime:0.001248s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000324s ]
  11. SELECT * FROM `article` WHERE `id` < 458269 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000437s ]
  12. SELECT * FROM `article` WHERE `id` > 458269 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000364s ]
  13. SELECT * FROM `article` WHERE `id` < 458269 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000699s ]
  14. SELECT * FROM `article` WHERE `id` < 458269 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000751s ]
  15. SELECT * FROM `article` WHERE `id` < 458269 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000677s ]
0.084814s