| 1. | Keys do not offer descriptions of the plants concerned .
检索表不提供有关植物的描述。 |
| 2. | Information can be entered and retrieved extremely quickly .
信息可以极快地输入和检索。 |
| 3. | The following listing summarizes the more common retrieval programs .
下表概述了较常用的检索程序。 |
| 4. | A general schematic view of a data storage and retrieval system is given in fig1-1 .
数据存储和检索系统的总框图见图1-1。 |
| 5. | They rate librarianship skills higher than subject knowledge in on-line searching .
他们认为图书馆技术要比联机检索主题知识更难于掌握。 |
| 6. | In order to read a particular fact, computer has to search until it finds the fact .
为了读出某一具体内容，计算机必须进行检索，直到查到它为止。 |
| 7. | Skill in on-line searching is by no means as yet commonplace, certainly not in the united kingdom .
到目前为止，除英国外，联机检索技术的应用还不普遍。 |
| 8. | It is the responsibility of the subsurface stratigrapher to ferret out from these studies, or materials .
地下地层工作的责任在于把那些研究材料检索出来。 |
| 9. | In addition to calculations, the most frequent use for a computer is probably "information retrieval" .
除了计算工作以外，计算机最常的用途大概是资料检索。 |
| 10. | Expertise in using on-line methods has of course developed as the systems have become more widely available .
随着联机系统越来越广泛的使用，检索方法也日趋专门化。 |
