纯粹数论的英文：
pure number theory
adj. 纯粹的；纯净的；纯洁的；完全的
All things are pure to the pure.
对洁净的人，凡物都洁净。
But that is pure bluster.
然而这纯粹只是夸夸其谈而已。
He is Spaniard pure and simple
他是一个纯血统的西班牙人
n. 数；号码；算数
v. 给…编号；计算，数
The number was fifty.
该数字为五十。
There is safety in numbers
人多势众
It was an irrational number.
这是一个无理数。
n. 原理，理论，学说；观点，推测
configuration theory
完形说
Marxist theory will advance and so will socialist theory.
马克思主义要发展，社会主义理论要发展
Develop a new theory by the synthesis of several earlier theories
综合以前的几种学说而创立的新学说.