... 质量集中 lumped mass 质量集中分析 qualitative investigation 质量集中系统 Concentrated mass system ...
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多自由度集中质量系统 multi-lumped-mass system
集中式存储能够集中管理和控制数据，降低管理开销并提高管理质量，但系统的性能和可扩展性受到限制。
Centralized storage systems can reduce management spending and improve management quality because of the single control point, but system performance and scalability is limited.
以点列图能量集中度和能量重心偏评价光学系统的成像质量。
Evaluating image quality of the system with the method of spot diagram energy concentration and deviation of energy centre.
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。
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.
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