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激励识别
通过测量结构的动响应(位移、速度、加速度、动应力和应变等),根据已知结构动态特征(质量、刚度、阻尼及频响函数矩阵等)对结构受到的激励进行识别重构的技术。是结构动力学的重要研究内容之一。又称动载荷识别。
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subsea valve
subsea vertical connector
subsea wellhead
subsea wellhead equipment
subsea wet-type tree
sub-seed zone
subselfsimilar set
subsemifield
subsemigroup
subsemilattice
subsemiring
subsequence
subsequence最长递增散布子序列
subsequent
subsequent adjustment
subsequential limit
subsequent treatment
subsequent yield surface
subseries
subseries convergence
subserosa
subset
subset bounded from below
subset of a lattice
subset sum problem
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