In semantic similarity, we think about the semantic distance and the characteristics of ontology, the concept's amount of information, the depth of concept, the density of concept and symmetry factor;
语义相似度考虑了语义距离和本体库特征，加入概念的信息量、概念的深度、概念的密度和不对称因子的辅助影响；
Because this method with a symmetry punishment factor makes better use of the information in differentiating grades, the results of its decision are more reasonable than those of other methods.
对称性惩罚贴近度方法。该方法运用对称性惩罚因子使等级划分中的信息得到比较充分的利用，最终的决策结果也更趋于合理。
Symmetry" is an esthetical factor commonly recognized, and the symmetry technique is widely used in the conventional art of our country."
“对称”被公认为是美的一种因素，我国传统艺术处理中更大量运用对称手法。
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