系统地给出了杠杆模拟法的理论和应用方法，并将该方法推广成为行星式变速器动力学分析的通用方法。
The theory and solution of the lever analogy are systematically given, and the method is generalized to become a common one of dynamic analysis for planetary transmission.
针对舰船消磁系统快速准确解算、通用性强的设计要求，以磁体模拟理论为基础，提出了基于磁体模拟法的舰船磁场补偿技术。
Aim at the requirements of accuracy, speediness and applicability in vessel's degaussing process, a magnetic field compensation method is presented based on the magnet simulation theory.
在抽象世界里构建模型，用矩阵标识法求解，实现了流域洪水演进模拟，算法具有通用性。
The model constructed in the abstract world and the use of the matrix mark method to solve equations make it possible to realize flood routing and simulation, and the algorithm is universal.
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