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简要地介绍了灰色功效函数多维综合评估的原理和方法。对第七届国家甜菜区域试验结果（洮南点）进行评估，结果表明，甜8911最优，对照吉甜301最差。此结果与数理分析的结论基本一致，而且能够明确反映出各参试材料的优劣程度。此方法应用方便，是一种较为理想的区域试验评判方法。
The principle and method of multidimensional comprehensive evaluation of gray function are briefly introduced. The seventh national beet regional trial results (Taonan point) were evaluated, the results showed that sweet 8911 best, compared to Ji Tian 301 worst. This result is basically consistent with the conclusion of mathematical analysis, and can clearly reflect the quality of the test materials. This method is easy to use and is an ideal method of regional test evaluation.