原理

They work by bouncing microwaves off solid objects.

它们的工作原理是通过固体来反射微波。

These machines both work on the same principle.

这两台机器的工作原理是一样的.

It is possible , of course , that the converse of this theory may also be true.

当然该原理的逆命题也有可能成立.

We owe to Newton the principle of gravitation.

万有引力原理的发现应归功于牛顿.

They work on a principle of heat absorption.

他们研究吸热的原理.

I won't explain how this works now — it might muddle you up.

我现在先不讲解工作原理─那样会使你摸不着头脑的.

Only one expert source seemed prepared to analyse the problem afresh, from first principles.

只有一位专家似乎已准备要从根本原理着手重新研究这个问题。

Professor Griffiths explained how the drug appears to work.

格里菲思教授解释了那种药物的工作原理。

Here are few examples to illustrate this principle.

略举数例,用以说明这一原理.

Homeopathic treatment is based on the "like cures like" principle.

顺势疗法是基于“以毒攻毒”的原理。

We may determine the height of a mountain by trigonometry.

我们可用三角原理测定山的高度.

These people lack all understanding of scientific principles.

这些人对科学原理一窍不通。

the philosophy of science

科学原理

The elements of physics are difficult to grasp.

物理原理是很难掌握的.

These machines work on the same principle.

这些机器按同样的原理运转.