The method not only possesses the FEM advantages for discrete structures, but also reduces the unknowns in structural analysis.
该方法既采用了有限元法处理离散结构的便利，又通过力学途径来减少所需求解的未知量。
Social structures are not discrete objects; they overlap and interweave.
社会结构不是离散的客体；他们重叠并交织在一起。
Based on discrete random vibration theory, recurrence formulas are developed to calculate the dynamic response of structures under white noise excitations.
基于随机振动的离散分析理论，推导出白噪声激励下结构动力响应的递推公式。
应用推荐