单词：aggregative index number
aggregative index number的用法和样例：
例句
- The simplest form of a composite index is an unweighted aggregates index.综合指数最简单的形式是不加权数的总计指数。
- The synthetic health value of Tonglu Fenshui River is got at the hose of analysis on every index by the layers analasis method.采用层次分析法对桐庐县分水江进行了全面的健康河流评价，得出各个指标的健康值，加总得到桐庐分水江河流健康综合指数。
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