In this paper the named process, progress of study and the several theory problems encountered in research on non-protected room temperature phosphorescence are described.
介绍了无保护流体室温磷光的命名过程，研究进展和研究中碰到的若干理论问题。
Based on the analysis and study of the several fire protection problems in storage and distribution station of natural gas, the paper provides some corresponding countermeasures.
本文通过对天然气储配站若干消防问题进行分析和探讨，提出了相应的消防对策。
At last, based on a comprehensive summary of the main work about this thesis, several problems on this research topic demanding study further are brought forward.
最后，在全面总结本文工作的基础之上，提出了本课题仍需进一步研究的若干问题。
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。
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。
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