model measurement and analysis 模态测试与分析
Through comparing with two different measurement and analysis model, finally find out major factors of affecting technical efficiency in main grain producing districts.
通过对两种不同的计量模型结果进行对比分析，找出影响粮食主产区粮食生产技术效率的主要因素。
The physical model, relational analysis and calculation on road influence on weak magnetism measurement are put forward.
提出了公路对弱磁计量影响的物理模型和有关分析计算，并给出了计算数据和结论。
The value of additional coefficient of raft roughness is established through the comparative analysis of raft prototype resistance measurement on the spot and relevant model experiment.
通过木排原型阻力的现场测试与相应的模型试验分析对比，确定了木排粗糙度附加系数的数值。
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