数论的英文：
(math.) number theory

Whenever possible, the problems identified are treated from both deterministic and stochastic points of view
经过识别的问题，我们尽可能同时用双定数论的观点和随机论的观点来处理。

Usually y is a function in math.
X is not a function in math.

I have a math problem.
我有一道数学题不会做。

I have to revise for maths.
我要复习数学。

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。

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.