例句與造句

1. Any class which is closed under complement is equal to its complement class.
2. However, under many-one reductions, many important classes, especially NP, are believed to be distinct from their complement classes ( although this has not been proven ).
3. One can generalize this to the complement of a complexity class, called the "'complement class "', which is the set of complements of every problem in the class.
4. It's difficult to find complement class in a sentence. 用complement class造句挺難的