1) flat double-layer shell
扁平双层网壳
2) double layer hyperboloid latticed flat shell
双层双曲扁网壳
1.
In this paper,double layer hyperboloid latticed flat shells free vibration differential equation are founded according to the method of simulated shell,and then,its frequeney and amplitude are derived.
建立双层双曲扁网壳的拟壳法自由振动微分程方程，求解其自振频率与振型，编制计算程序，并通过实例计算与有限元法进行比较。
3) double-deck reticulated shallow shell
双层网格扁壳
1.
The nonlinear buckling problem of rectangular double-deck reticulated shallow shells under uniform transverse distributed load is studied by means the nonlinear bending theory of double-deck reticulated shallow shells and the method of double Fourier series.
本文应用双层网格扁壳的非线性弯曲理论和双重富里叶级数法，研究了均匀横向分布载荷作用下矩形底双层网格扁壳的非线性屈曲问题，得到了固定简支边界条件下的精确解。
4) single layer ellipse parabolic reticulated shell
单层双曲扁网壳
1.
Only the load displacement nonlinear whole course analysis of the structure can reflect the stability capability of thesingle layer ellipse parabolic reticulated shell systematically and deeply.
有计划地对７８３余例实际尺寸的单层双曲扁网壳进行了非线性全过程分析，求得了它们的极限承载力，系统地考察了初始缺陷和不对称荷载分布对网壳性能的影响。
5) sphere double-deck reticulated shallow shell
双层网格扁球壳
6) double reticulated dome
双层扁球状网壳
1.
But at present, the static performances of the double reticulated domes applied on the different load combination of wind load, snow load, live load, seismic load and dead load are not adequately studied.
双层扁球状网壳是一种优良的空间结构形式，她具有造型美观、安装方便、受力合理、经济效益好、整体刚度强等诸多优点，具有广阔的发展前景。
补充资料：双层θ网环
分子式：
CAS号：
性质：一种高效实验室散装填料。用双层金属丝网制成的θ网环。其结构、特点与θ网环相同，但由于用双层丝网制成，因而增加了机械强度。
CAS号：
性质：一种高效实验室散装填料。用双层金属丝网制成的θ网环。其结构、特点与θ网环相同，但由于用双层丝网制成，因而增加了机械强度。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条