... 一个正方形的橡皮 a square rubber 失踪的正方形 missing square puzzle ; Missing square ; Vanishing area paradox ; Triangle Hole 分割了的正方形 Divided Square ...
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triangle hole layout 三角形布孔
Hole shapes: Round holes, long holes, triangle holes, oval holes.
孔形：圆孔、长孔、三角孔、椭圆孔、浅拉伸鱼鳞孔等。
Hole shapes: long holes, round holes, triangle holes, lightly pull scale holes, other pull wire nettings, etc.
孔型：长孔、圆孔、三角孔、椭圆孔、浅拉伸鱼鳞孔、拉伸异型网等。
In this paper, a novel coupling hoops of rectangle combine with triangle in coordination with coupling rectangle hole as inter-cavity coupling structure of tunable filter are brought forward.
该文提出一种矩形和三角形结合的新型耦合环配合矩形耦合孔作为可调滤波器腔间耦合结构的耦合方式。
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