This thesis is devoted to the study of several problems on real-rooted polynomials in combinatorics.
本文研究了组合学中实零点多项式的若干问题。
During the process of the structural assessment and treatment, it appears that there are several problems required further study.
在结构评估和处理的过程中反映出几个需要进一步研究的问题。
According to the current state of the municipal Bridges in Guangzhou, the total scheme of study and development of GZMBMS is presented, and the several key problems are discussed in this paper.
该文根据广州市城市桥梁的现状，提出了广州市城市桥梁管理信息系统研究与开发的总体思路，并对研究开发中的几个关键问题进行了探讨。
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