包含CV、CA、Single、当前、恒转弯速率、转弯模型，可以广泛的应用于数据预测及数据分析,部分实现了追踪测速迭代松弛算法。- It contains CV, CA, Single, current, constant turn rate, turning model, Can be widely used in data analysis and forecast data, Partially achieved tracking speed iterative relaxation algorithm.