【摘要】 自行开发设计的农业生物技术数据库由中、英文两个子库组成 ,共收集了 1990年以来国内外相关文献15 5 0 0 0条。每条记录由 6字段 (中文库 )或 10字段 (英文库 )组成 ,可选取任意字段进行查询检索 ,具有单字段检索、多字段组合检索、单次检索和二次检索等多种检索方式。更多还原

【Abstract】 The database of agrobiotechnology, which included 155,000 of internal and external literatures (datum) published, is composed of Chinese database and English database, a record is linked with 6 access words (Chinese) or 10 ones (English), anyone of which can be alone or composed with others served as the access of first and second data searching.更多还原