本SAE J2971推荐实施规程描述了用于控制重量超过10000磅（包括拖车）的卡车和客车空气动力的空气动力装置和技术的标准命名惯例。

This SAE J2971 Recommended Practice describes a standard naming convention of aerodynamic devices and technologies used to control aerodynamic forces on truck and buses weighing more than 10000 pounds (including trailers).