Matrix expression for dispersion equation of a single plate was derived.
推导出自由单层板频散方程的矩阵表达形式。
The matrix expression of the system state for a two-state unit system is derived in this paper.
本文导出两状态元件系统状态矩阵表示式。
In respones to it, this paper discusses matrix expression for crack maintenance of the metal structure.
鉴于此，有必要提出一种对裂纹维修的矩阵表达方法，比较和评价各种裂纹维修方法的优劣。
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