This paper researches the planning and decision making problem of petroleum mechanical multiproduct enterprises, and establishes the corresponding system model by using systematic dynamic principle.
本文研究石油机械企业多产品生产的规划决策问题，运用系统动力学的原理建立了相应的系统模型。
The dynamic mechanical properties of glass bead filled LDPE composites were Iivestigated by using of a dynamic mechanical analyzer.
应用动态力学分析仪，考察了低频条件下玻璃微珠填充LDPE复合材料的动态力学性能。
Based on clear physical concepts, complete nonlinear dynamic equations of two-phase media are derived by using classic mechanical principle directly.
本文以清楚的物理概念，依据经典力学原理建立了两相介质完整的动力学非线性方程组。
应用推荐