为此，我选择了完全数。
我需要确定某个数字是不是完全数。
使用完全数据库备份模型时，恢复数据需要这些备份。
These backups are necessary for recovering data when you use the full database backup model.
该方法是完全数据驱动的，不需要姓名识别模板和规则。
可能到根本的完全数据中去查找奇怪的时间步将会使事情明了
Maybe looking the underlying full data for a curious time step will clear things up
完全数、相亲数以及孤立数一直是数论研究的一个重要课题。
Perfect number, amicable number and anti-sociable numbers are important topics in number theory.
一个完全数据模型应该以这三个尺寸为基础：基准、方位和高度。
A complete data model should be based on these three dimensions: ground, position, and elevation.
粗糙集理论是一种新兴的处理不精确、不确定与不完全数据的数学理论。
Rough Set is a new mathematics theory that can deal with incertitude and incompletion data.
人类在研究与寻找完全数时得到结论：偶完全数与梅森素数是一一对应关系。
Many important conclusions in relation to even perfect number research have been drawn.
人类在研究与寻找完全数时得到结论：偶完全数与梅森素数是一一对应关系。
Many important conclusions in relation to even perfect number research have been drawn.
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