第三人称复数：card indexes
1. 卡片索引：card 卡片 | card index 卡片索引 | card reader 卡片读出器
2. 档案盒;卡片索引：card image 卡片映象 | card index 档案盒;卡片索引 | card programming control 卡片程序控制
3. 卡片式索引：carbon copy . . . for information [c.c. . . . f.i.] 副本送......备考 | card index 卡片式索引 | career counselling service 职业辅导服务
4. 制作卡片的索引：card-carrying 正式的党员会员 | card-index 制作卡片的索引 | cardamom 小豆蔻的种子
1. 卡片目录;卡片索引
A card index is a number of cards with information written on them which are arranged in a particular order, usually alphabetical, so that you can find the information you want easily.
1. The index is based on bank card transaction data and analyses of structural changes in urban consumption.
noun
1. an alphabetical listing of items (e.g., books in a library) with a separate card for each item
Synonym: card catalog card catalogue