The paper studies the relation between the section rigidity and the service time of the RC bridge under the composite effect of the expansion of cracks and the whole or local corrosion.
分别研究了钢筋混凝土桥梁在整体腐蚀和局部腐蚀同裂缝扩展的组合效应下截面刚度与服役时间关系。
2
As a mathematic branch studying the graphical compositerelation and fabric, the graph theory can be expediently used in solving graphical problems with computer algorithm.
图论是研究图的组合关系及结构的一个数学分支，可以方便地实现图形同计算机算法的结合。
3
The input and output of the network are fuzzy sets, and the network can complete compositerelation after training, namely fuzzy reasoning.