| 1 | Titles are the most dominant content of book description. | |
| 2 | Collections, including collections, circulation, and so on are recorded. | |
| 3 | But some problems still exist in reference writing. | |
| 4 | Computer Union Catalog must focus on key field selection and normalized description. | |
| 5 | In computer jargon the position of an item in a record is referred to as a field. |
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