pseudo-symmetry

英 [ˈsjuːdəʊ ˈsɪmətri]

美 [ˈsudoʊ ˈsɪmətri]

准对称性

Under the term of pseudo-symmetry, the symmetry operations in four-dimensional description of one-dimensional modulated structures are characterized in terms of analytical expressions involving symmetry operators and atomic coordinates.
按照赝对称性的概念，用包含对称算子和原子坐标的解析表达式说明了在一维调制结构的四维描述中的对称操作。
In this paper, the essential features of the pseudo-symmetry in the superstructure of Huanghoite are discussed and the direct procedures of solving the superstructure are given in detail.
本文分析了黄河矿晶体超结构中赝对称性的特点，详述了用于测定黄河矿晶体超结构的直接法。
In solving the crystal structures containing heavy atoms by patterson method, if the heavy atoms have a pseudo-symmetry which is higher than that of the whole structure, this will result in multi-solution positions of light atoms ( two, four or eight possible positions).
应用Patterson法求解含有重原子的晶体结构时，时常由于重原子具有了高于整个结构的赝对称性而导致轻原子位置的多解（双解、四解乃至八解）。