The space decomposition method of orthogonal packing of rectangles was analyzed briefly. Basic strategies of group, ordering rules, and location rules of packing were proposed.
并且简要分析了矩形正交布局的空间分解方法，提出了群组的基本策略以及布局的定序规则和定位规则。
By using decomposition of exponential operators, the normal and antinormal ordering product of Boson exponential operators for SU(1,1) Lie algebra are given.
通过指数算符的分解，给出了SU（1，1）李代数玻色指数算符的正规和反正规乘积。
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