This paper deals with a systematical analysis on the common methods for environmental quality assessment and a new method suggested for environmental quality assessment, called Vector-Operator.
在对目前环境质量评价中流行评价方法系统分析的基础上，提出了一种新的环境质量评价方法，矢量算子法。
Through finite element analysis and experimental study, this dissertation makes systematical research on vehicle-bridge coupling vibration of concrete box-girder with corrugated steel webs.
本文通过有限元分析和试验研究，对波纹钢腹板混凝土箱梁的车桥耦合进行了较为系统的研究。
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