In the method, evaluation indices of the lowest level were normalized, synthesis was started with the lowest level, and till greenness indices were obtained.
该方法规范化处理低层指标，逐级向上综合，最终得出产品的绿色度评价指数。
In the method, evaluation indices of the lowest level were normalized, synthesis was started with the lowest level, and till greenness indices were obtained.
该方法规范化处理低层指标，逐级向上综合，最终得出产品的绿色度评价指数。
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