比较详细地分析了快速汉克尔变换误差原因，给出修正方案，有效地提高了算法精度。
The article has analyzed error cause of fast hankel transform in detail, and the correction schemes are gived, and has effectively raised the algorithm accuracy.
通过KASS程序分析计算，得出麦弗逊悬架和转向系统的前轮定位参数及转向误差的变换规律。
Through KASS analysis calculation, acquire the transformation rule of front wheel location parameter and steering error of McPherson suspension and steering system.
将来自不同国家的数据源进行数据转换、投影变换和误差校正，转换为统一的数据格式和投影坐标系统。
The data from the data sources of different countries are converted into the unifying data format and projection coordinates system by data conversion, projection conversion and error correction.
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