| 摘要 |
<p>[Object] To provide a structure of a novel shape and a method of producing it. [Solving Means] A structure according to the present disclosure includes a wall portion, a first opening region, and a plurality of second opening regions. The plurality of second opening regions is provided so as to be aligned in a regular manner in the wall portion. Each of the second opening regions has a second aperture area smaller than the first aperture area.</p> |
