Gray relate的用法和樣例：
例句
- Gray correlation theory and stomach content method were used to build the relationship between the distributions of zooplanktons and Pacific saury.
分別利用灰色關聯和胃含物法對其與秋刀魚漁場分佈之間的關係進行了探討。 - The model adopts the analytic hierarchy process method to determine the weight of each index, and appraises the customer value by gray relational analysis method.
模型對傳統的灰色關聯法進行改進，採用層次分析法給指標賦權，使指標權重更科學合理。
