Carborne information system is the integration of all the electronic equipments of the car, it mainly consists of carborne information display system and malfunction diagnosis system.

载信息系统是汽上电子设备的综合，它括汽信息显示和故障诊断两类。

The low frequency acoustic design for an automobile body structure is very important to improve the carborne acoustic comfortability and to enhance the competitiveness for the car products in market.

身结构低频声学设计以提乘坐的声学舒适性为目的，对于增强汽产品的市场竞争能力具有十分重的意义。