The purpose of this column is to show the number of the recursive step n that produced the row.
这个列的作用是表明产生行的递归步骤 n 属于第几步。
The main purpose of N-aromatic hydroxylamines was introduced. Various synthetic methods were reviewed and compared with each other.
扼要地介绍了(杂)芳羟胺的主要用途,详细介绍了(杂)芳羟胺的合成方法,并进行了分析比较。
This paper generalizes the patterns and problems of enterprise technique reform nowadays, and discuss the focal Thent. The n explain the information technique, BRP and their purpose.
本文首先概括了企业技术改造当前面临的形式和问题,进而讨论了技改重点,然后说明技术改造中的信息技术和BRP问题以及它们的作用、意义等。
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