空集 meaning in English
[数学] null set; empty set
Examples
- The null subset corresponds to the term 1 .
空集则对应于常数项1。 - If a set contains no elements we shall designate it by Ф and define it as the empty or null set .
如果一个集合不包含元素，我们就把它记为，且定义它为空集或零集。 - Clear method empties the collection and resets its count
方法清空集合并将集合的 - Method to empty all tuples from the collection , and an
方法清空集合中所有元组，一个 - This is a default empty collection constructor
它是默认的空集合构造函数。