The characteristics of the diffraction efficiency, compression, cross modulation, and intermodulation intensities are analysed theoretically.
分析了多维声光衍射的衍射效率、压缩、交叉调制和互调制强度等特性。
Using nonlinear finite element method, the compression load deflection of the seal was analyzed and cross sectional shape of the seal was optimized.
利用非线性有限元法分析了密封条的压缩受力变形特性，根据结构力学原理对密封条横截面形状进行了优化。
On the basis of the calculation results, the ultimute axial compression ratio for the inequal-leg T-shaped, L-shaped and cross-shaped columns is presented.
再根据异形柱框架结构受地震作用时应具有的柱截面曲率延性水准确定不等肢T形、L形、十字形柱轴压比限值，为不等肢异形柱设计提供了必须的依据。
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