With the increasing of thickness of rock fill, the wave force coefficient on the perforated wall generally decreases, while the reflection coefficient increases.

增加消浪室内填料厚度通常可以降低开孔墙结构的波浪力系数，加大结构的反射系数。

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Secondly, the equivalent plane truss element analysis program of plane stress problem is worked out, by which cantilever beam, simple beam and perforated wall are analyzed.

其次，编制了平面应力问题等效铰结平面桁架单元有限元法分析计算机程序。

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The device may comprise an additional plunger body for being disposed in said space and so as to define a peripheral gap between the plunger and the perforated wall of the device.

所述装置可以包括用于安装在所述空间内的其他柱塞体，以便在柱塞和所述装置的穿孔壁之间限定外周间隙。

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At Xiangshan, an exterior passage is bordered by a perforated wall in dappled bricks.

WSJ: Made on the Mainland | Innovator of the Year 2012 Architecture

Equal in excellence to the 264-seat main theater but presenting a striking design contrast, this secondary screening room has a hot pink entrance and features exposed loudspeakers and a grey, perforated acoustical wall and ceiling surface, making it more of an exposed machine for the moving image.

ENGADGET: Museum of The Moving Image plans multi-million dollar updates with HD, 3D