这些方形孔扮演了隔膜的角色，在热带气候下获得直接的自然采光，同时提供空气的过滤。
The squares play a role as a membrane to gain the indirect natural light in a tropical climate and provide air filtration.
结果表明基于基底打孔型方形孔EBG结构的贴片天线的性能最佳，其增益、带宽和输入回波损耗都得到了较大的改善。
Results show that different EBG structures have different effects on the patch antenna. The performance such as gain, bandwidth and return loss of the conventiona…
在轴向压缩下，台形壳体上方形孔周边的应力集中问题，用光测弹性方法测量； 关于孔边的最大应力分布实验及理论数据的比较。
The method of photo elasticity is discussed in measuring peripheral stress concentration of rectangular ports on the shape shell under the axial compression.
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