In this thesis, construction of permutation and combination of matrix, patch and propylaea, that of dilation, erosion, collision and thinning, and cycled structure rule of urban space are presented.
提出城市空间元素的循环结构构筑原则以及原域、通廊、块体间排列组合的六种构筑形式和膨胀、腐蚀、击中、薄化的构筑方法。
Besides, the author understood the rule of negative multiplication completely and studied the problem of permutation and combination deeply.
另外，萨玛·瓦尔完全理解了负数的乘法法则，并对排列组合问题也有充分的认识。
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