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精品好文档，推荐学习交流第三单元《小虾》学习单我最喜欢的动物——外形部位特点习性动作捕食时吃食时游戏时搭窝时睡觉时积累:____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________仿写：__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________仅供学习与交流，如有侵权请联系网站删除谢谢2
精品好文档，推荐学习交流_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________第一章Modbus协议□介绍Modbus协议介绍
□两种串行传输模式
□信息帧
□错误检查方法
仅供学习与交流，如有侵权请联系网站删除谢谢2
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