在现有文献数据的基础上，我们开展了研究，试图图„。
On the basis of existing literature data, we carried out studies in an effort to …
经与有关文献数据和实验数据的比较，验证了该方法计算的有效性。
Compared with the data of the document and the experiment, the approach was proved effectively.
分析了国家科技图书文献中心外文文献数据加工的规律、存在的问题。
The paper analyzes the regulars and present problems of foreign literature data processing in the National Science and Technology Library.
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