an alphabetical listing of items (e.g., books in a library) with a separate card for each item 同义词：card catalog, card catalogue,
例句与用法
1.
Files were located by using the card indexes . 案卷是使用卡片索引查找的。
2.
Card indexes in a library are beneficial to readers . 对于读者来说图书馆的卡片索引是有益的。
3.
A card index is very useful in the filing system 索引卡片对归档是非常有用的。
4.
Back i o card index 回工控卡
5.
300 it is an index , and go up card index is same , did not concern with your stock , the stock that you select you to want to sell is ok 300是个指数，和上证指数是一样的，和你的股票没有关系，你选择你要卖的股票就可以了。
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