composite index

基本解释

Researchers compiled a composite index of "water threats" that includes issues such as scarcity and pollution.
研究人员编制了“水威胁”综合指数，其中包括水短缺和污染之类的问题。
The order is important because if your predicate specifies these properties in a different order or lists some other property before them, the composite index will not be selected by the database.
顺序很重要，如果你的谓语以不同的顺序指定这些属性或在它们前罗列了其他属性，数据库就不会选择该复合索引。
From 2001 to the third quarter of 2005, the Shanghai composite index halved in value.
从2001年到2005年第三季度，上证综合指数的价值跌去一半。
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The Nasdaq composite index rose 41 points to 3, 381, an increase of 1.2 percent.
NPR: Stocks Surge To New Highs After Hiring Climbs
Now compare that to Shanghai in the same time, Shanghai's benchmark composite index rose 130 percent.
NPR: Taking Stock of China's Chaotic Market
The NYSE composite index has fared even worse: It's down 27% year to date.
FORBES: Magazine Article

综合指数
Then we use the Shanghai Composite Index to train the model and forecast the return of index.
我们使用这个模型对上证综合指数进行了预测,并和普通BP神经网络模型的预测结果进行比较,取得了良好的预测效果。
计算机科学技术
复合索引
组合索引
合成索引