Adjective:

1. consisting of or involving a single element or component;

   "in a unary operation in a mathematical system one element is used to yield a single result"
   

unaabbr.(英国)联合国协会(=United Nations Association)Una.n.尤娜(女子名)unadoptedadj.未被采纳的；非公路的；私人所有道路的unadornedadj.没有装饰的；不加渲染的；朴素的unavengedadj.未得报仇的；未得雪耻的unalteredadj.未被改变的；不变的；依然如此的unadvisedadj.草率的；鲁莽的unabrokenadj.无破损的；完整的unalignedadj.不结盟的Unamiyama宇南山(姓,日本)unamiablyadv.不和蔼地unashamedadj.不羞耻的；厚脸无耻的；无愧的；坦然的

1. Unary composites hold only a single subject.
   一元的合成仅包含一个单独的子项。
2. Like the binary composite, the unary composite may change the behavior of its embedded subject.
   和二元的合成一样，一元合成有可能改变它所包含的子项的行为。