专业释义英英释义
Perfect number
- abstract: In number theory, a perfect number is a positive integer that is equal to the sum of its proper positive divisors, that is, the sum of its positive divisors excluding the number itself (also known as its aliquot sum). Equivalently, a perfect number is a number that is half the sum of all of its positive divisors (including itself) i.
以上来源于: WordNet
柯林斯英汉双解大词典
perfect number
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1.
N an integer, such as 28, that is equal to the sum of all its possible factors, excluding itself 完全数
双语例句原声例句权威例句
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For most people, however, deciding on the elusive perfect number can be tough.
不过，对绝大多数的人来说，要确定这一难以琢磨的数值的最合适的取值可能非常困难。
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Whenever it identifies a perfect number, your program should display that number on the screen.
一旦发现一个完美数字，你的程序需要将该数字显示到屏幕上。
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A more algorithmic definition for a perfect number is a number where the sum of the factors (excluding the number itself) equals the number.
更规则的完全数定义是因子(不包括该数字本身)之和等于该数字的数字。
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R.J.Bell of Pregame.com says the number of possibilities to guarantee a perfect bracket are an astronomical 9.2 quintillion.
VOA: standard.2009.03.25
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You have to make every single detail perfect and you have to limit the number of details.
就是让每个细节都很完美,你必须要限制细节的数量。
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The number three is not a physical object, perfect roundness is not a physical object, perfect goodness is not a physical object.
数字三不是一个物理实体,正圆不是一个物理实体,真正的善良不是一个物理实体
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