For swimwear a minimum grade of colorfastness to light 5 must be fulfilled.
对泳衣，耐光照色牢度不得低于5级。
The grade of evaluating subject is corresponding to the minimum K-L distance.
距离最小值对应的等级即为评价对象所属的路面状况类别。
The grade of evaluating subject is corresponding to the minimum K-L distance.
距离最小值对应的等级即为评价对象所属的路面状况类别。
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