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1·In the set of natural numbers, every number is either odd or even.

在自然数的集合里，每个数字不是奇数就是偶数。

2·The simplest real Numbers are the natural Numbers, which are just the ordinary counting number l, 2, 3...

最简单的真数是自然数，即平时我们口数的一、二、三…。

3·If it was changed, a one-one correspondence between continuum and natural number set can be received.

如改变前提，是可以得到连续统与自然数集合间的一个一一对应的。

4·The prime number is a natural number that has exactly two different divisors, i. e. 1 is not a prime number.

质数是指仅有两个约数的自然数，例如，1不是一个质数。

5·Then we say that for any other natural number, that fibonacci number is the sum of the previous two fibonacci numbers.

然后就是对其他自然数，其fibonacci数就是它前面两个数字的和，即F(N)=F(N-1)+F(N-2)。

6·A prime number is an integer greater than or equal to 2 that has exactly two distinct natural number divisors, 1 and itself.

素数是指大于等于2且只有两个不同约数的整数：1和它自己。

7·You could think of this correspondence as a buddy system in which each natural number is paired with some positive fraction, and vice versa.

可以把这种对应看作是各负责另一人之安全的两人同行制，每一个自然数都与某个正分数配对，反之亦然。

8·In the set of natural Numbers, every number is either odd or even, and there is not one even number that is more or less even than any other even number.

在自然数的集合里，每个数字不是奇数就是偶数，不存在一个偶数或多或少比另一个偶数更像偶数这样的情形。

9·In a problem concerning the natural number, the way of seeking recursion relationship and getting the reseclt from primary value recursion is called recursion method.

在一个与自然数有关的问题中，通过寻找递推关系，由初始值递获得所需结果的方法称之为递推法。

10·The natural number coding, the random population selection, the simple crossover strategy of two-parents-and-one-kid and the fixed mutation probability were totally adopted.

在算法中采用了自然数编码、随机选取种群、简单的“双亲单子”交叉策略和固定的突变概率。