1. 控制信号标志建议为"ACU"。 "ACU" is suggested for control signal sender name. 2. CAN消息ID建议不大于2048。 CAN bus message ID should be not greater than 2048. 3. 注释不能有回车符和换行符。 Carriage return and line brake are not allowed in comments. 4. 枚举定义需要使用英文,且不能有相同定义名称,必须为字母或字母和数字组合,不能有符号,注释建议为英文。 The value description in VAL_ type should be in Latin alphabet. The definition name cannot be repeated and the name should be Latin alphabets, numbers or both. It is recommended to use English in comments. 5. 反馈信号和控制信号中如车速,轮速,加速度,踏板位置(%)等double类型的信号在DBC的value description项中必须为空。In report message and control message, the value description of double type value, such as vehicle speed, vehicle acceleration, pedal position (%) should be empty.