natural l rigidity 固有刚性
The FE model of the highspeed machining center is established using the software ANSYS. The influence of guideway 'rigidity on natural frequency of the highspeed machining center is discussed.
利用ANSYS建立了某型号高速加工中心的有限元整体分析模型，探讨了不同位置导轨的刚度变化对高速加工中心固有频率的影响。
The reasons are analysed in ways and means to combined with early failure of expressway half rigidity base bituminous surface according to Henan province natural conditions.
根据河南省的自然情况，结合近年来河南省高速公路半刚性沥青路面出现的早期破坏现象，从多方面分析了产生病害的原因。
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