通过对美国《生物学文摘》的介绍，详细的论述了美国《生物学文摘》在农业和生物学方面文献的检索途径和方法。
Through an introduction to the American biological abstracts, this paper gives detailed illustrations on the major retrieval ways and approaches to agricultural and biological documents.
方法检索中国药学文摘上的文献。
Methods: To search documents in the Chinese pharmaceutical abstracts.
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