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松开方向盘之前,先看懂自动驾驶的5个“段位”

  • 2026-02-02 09:59:35
松开方向盘之前,先看懂自动驾驶的5个“段位”

[图片]你是否也曾被“无人驾驶”这个词搞得晕头转向？当汽车厂商宣传“自动辅助驾驶”，而你却以为能彻底解放双手——这种差距背后，其实是一套严谨的技术分级体系。今天，我们就来揭开L1到L5的神秘面纱。国际通用的“五级段位制”目前全球普遍采用国际汽车工程师学会（SAE）制定的分级标准，...

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  1. CONNECT:[ UseTime:0.000550s ] mysql:host=127.0.0.1;port=3306;dbname=e_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000714s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000296s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.008209s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000535s ]
  6. SELECT * FROM `set` [ RunTime:0.000856s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000627s ]
  8. SELECT * FROM `article` WHERE `id` = 467818 LIMIT 1 [ RunTime:0.015389s ]
  9. UPDATE `article` SET `lasttime` = 1770545297 WHERE `id` = 467818 [ RunTime:0.007165s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 67 LIMIT 1 [ RunTime:0.011376s ]
  11. SELECT * FROM `article` WHERE `id` < 467818 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001134s ]
  12. SELECT * FROM `article` WHERE `id` > 467818 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.003468s ]
  13. SELECT * FROM `article` WHERE `id` < 467818 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001309s ]
  14. SELECT * FROM `article` WHERE `id` < 467818 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.019443s ]
  15. SELECT * FROM `article` WHERE `id` < 467818 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.023866s ]
0.171403s