对刚性接触网的检测和评价，目前国内关于这方面的研究并不多，本课题的研究具有明显的实践意义。
Because the study of rigid catenary system's parameters inspection and evaluation is deficiency, my study in this paper has obvious significance.
广州地铁公司计划将把柔性接触网陆续改为刚性接触网。 首段更换工作在杨箕站至体育西站总长一千四百多米的区间进行。
The subway Company of Guangzhou plans to change the flexible contact network into successively a contact network of rigidity.
建立刚性悬挂接触网的自由振动有限元模型，计算其固有频率和振型。
The finite element model of the free vibration for the rigid suspension catenary and pantograph is set up.
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