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.

载息系统是上电子备的综合，它主要包括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.

身结构低频声学提高辆乘坐的声学舒适性为目的，对于增强产品的市场竞争能力具有十分重要的意义。