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以上来源于: WordNet
N rigid motion of a plane or space such that the distance between any two points before and after this motion is unaltered 等距; 等轴; 等容 [maths]
Furthmore and it is proved that every 2-local isometry of TUHF algebra is linear.
进一步证明了TUHF代数上满的2 -局部等距为线性。
The effects of 8 isometry transforms used in PIFS based fractal image coding on performance are discussed.
分析了基于部分迭代函数系统（PIFS）的传统分形图像压缩编码中8 种对称旋转变换对编码性能的影响；
After the further discussion and conduction, one can deduct out three patterns: symmetry pattern, isometry pattern and module pattern.
论文围绕高斯提出的算法，进一步讨论和归纳得到：对称式、等距式和模块式，运用这三种方式，更能直观、容易地解决实际问题。
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