natural number
常见例句
- Today we are going to classify natural numbers by seeing how many divisors they have.
我们学习根据一个数约数的个数来对自然数进行分类。 - The cover pebbling number for lexicographic product graphs and some strong product graphs were determined.
对一个图而言，满足此条件的最小的自然数即为此图的覆盖数。 返回 natural number