数据选取 meaning in Chinese

data selection

As the ranges of the physical properties values of the snow are very large , and the road conditions are very complex , the design , analysis , and calculation of the snow removers have the characters of the experimentations and practices
( 3 )考虑除雪作业要求、工艺性、结构性等因素,参照相关试验数据选取合适的前雪铲结构参数。对前雪铲铲板空间曲面进行建模、分析、设计。
At the same timejt is proposed that the mean error , maximum error and minimum error of the last 8 numbers between the measured results and predicting results are used as criteria in order that we can select the optimum model judge the accuracy and dispersion of measured results
在模型比选时，提出用实测值与预测值的后八项的平均误差，最大和最小误差来选择最优模型并判断其准确性以及实测数据选取的离散性。