Knowledge Resource Center for Ecological Environment in Arid Area
| 报告编号 | NASA-SP-7064-VOL-1, NAS 1.21:7064-VOL-1 |
| 来源ID | NTRS_Document_ID: 19890003931 |
| NASA thesaurus. Volume 1: Hierarchical Listing | |
| [unavailable] | |
| 英文摘要 | There are over 17,000 postable terms and nearly 4,000 nonpostable terms approved for use in the NASA scientific and technical information system in the Hierarchical Listing of the NASA Thesaurus. The generic structure is presented for many terms. The broader term and narrower term relationships are shown in an indented fashion that illustrates the generic structure better than the more widely used BT and NT listings. Related terms are generously applied, thus enhancing the usefulness of the Hierarchical Listing. Greater access to the Hierarchical Listing may be achieved with the collateral use of Volume 2 - Access Vocabulary and Volume 3 - Definitions. |
| 英文关键词 | INDEXES (DOCUMENTATION) INFORMATION RETRIEVAL SPACE GLOSSARIES THESAURI HIERARCHIES TERMINOLOGY TERMS |
| 出版年 | 1988 |
| 报告类型 | Technical Report |
| 语种 | 英语 |
| 国家 | 美国 |
| URL | http://hdl.handle.net/2060/19890003931 |
| 资源类型 | 科技报告 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/259119 |
| 推荐引用方式 GB/T 7714 | [unavailable]. NASA thesaurus. Volume 1: Hierarchical Listing,1988. |
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