n.唯一性；独特性
A sequential number used to ensure data uniqueness. 用于确保数据唯一性的连续编号。
The uniqueness of the problems is proven in this paper. 文中给出了对应问题的唯一性证明。
The poet reminds men of their uniqueness. 诗人提醒人类注意自身的独特性。
The clothing that you wear is one way to express your uniqueness. 你穿的衣服是表达你的独特性的方式。
双向单一性
