Located at the center of a semi-spherical void, a complex solid object contains four rectangular voids: the concert hall, black-box theater, music rehearsal room, and library.
在空心半球形建筑中心，一个包含音乐厅、黑盒剧场、音乐排练室和图书馆四个矩形单元的复杂实体置于其中。
To test the reliability of this method, rectangular crack elliptical crack and semi-elliptical crack in infinite space and in semi-infinite space are calculated.
为了验证该方法的可靠性，本文对无限空间和半空间中矩形类、椭圆类和半椭圆类平片裂纹问题进行了计算。
The two-dimensional layout optimization problem about placing the rectangular graph elements on a round board is investigated and the semi-infinite optimization model is presented.
研究矩形图元在圆形区域内的二维布局优化问题，建立了半无限优化模型。
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