... period inequality 周期不等式 period matrix 周期矩阵 period meshes 周期格子 ...
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基本周期矩阵 [数] essential periodic matrix
生命周期矩阵 lca matrix
升降周期转移概率矩阵 TPMRF
组成矩阵周期 matrixcycle
寿命周期费用矩阵 Life Cycle Cost Matrix
全寿命周期费用矩阵 Life Cycle Cost Matrix
生命周期目录清单矩阵 Life Cycle Inventory Matrix
本文证明了循环矩阵等价于周期矩阵，而本原矩阵等价于非周期矩阵。
This paper prove which, that cyclic matrix equivalent to periodic matrix and primitive matrix equivalent to aperiodic matrix.
本文遵循产品组合理论、产品生命周期理论及波士顿矩阵理论，采用了理论联系实际、定量分析与定性分析相结合的方法。
The theories of the product composition, life cycle and Bostons matrix are followed. Theory study and investigate study are adopted and quantitative analysis is combined with qualitative analysis.
应用耦合模理论和传输矩阵法计算模拟了长周期光纤光栅的透射谱，并对其进行了切趾优化。
Based on the coupled-mode theory, the transfer-matrix method is used to calculate the transmission spectra of phase-shifted long-period fiber gratings (LPFG).
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