Contrast and analyze single lumped mass and two lumped mass, conclude main factors which affect valve system.
对比分析了单质量模型和二质量模型，归纳了影响配气系统的主要因素。
In this paper, the Hamiltonian system of EM waveguide is introduced and the consistent and lumped mass matrices are constructed after symplectic regularization and semi-analytical discretization.
本文在介绍这一体系之后，经半解析横向离散及辛正则化，给出了类凝聚和协调质量阵。
By the methods it is assumed that a structural system can be reduced to a lumped parameter system, of which the mass matrix is diagonal.
方法假定结构可以简化为集中参数系统，其质量矩阵是对角的。
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