他的知识还停留在初等水平。

His knowledge is still at an elementary level.

我们从初等概念开始学习数学。

We start learning math from elementary concepts.

这个问题很初等，你应该能解决。

This problem is very elementary, you should be able to solve it.

她在初等学校教书。

She teaches at an elementary school.

这是一个初等的实验，适合初学者。

This is an elementary experiment suitable for beginners.

下面会有一个初等几何的回顾.

There is a review of elementary geometry below.

这种情形初等几何已经无能为力。

This case can no longer be handled by elementary geometry.

高等几何是初等几何的延深课程。

High geometry is the extended course of elementary geometry.

常用到初等微积分。

Uses elementary calculus freely.

初等函数的连续性

Continuity of the elementary functions