The predicting model for sucrose content was calibrated by automatically optimizing and cross validating to obtain the determination coefficient of 99.41% and the RMSECV of 0.214.

• 利用内部交叉证实和自动优化功能对预测数学模型进行优化；得到蔗汁蔗糖分预测数学模型的决定系数为99.；41%25；均方差为0