原理

The professor used a graph to explain the principles of economics.

教授用图表解释经济学原理。

The principle of acceleration relativization and the principle of force relativization were deduced.

推导加速度相对性原理和力相对性原理。

Principle and operation technology of removing silicon,phosphorous and arsenic from sodium wolframate is presented.

阐述钨酸钠溶液中除硅、磷、砷的原理,并具体的操作工艺。

The error of“Principle of Superposition”is corrected,whereas a new photovoltage theory is established in this paper.

本文纠正“迭加原理”的错误,建立新的伏理论。

The heterodyning principle is well known in nonlinear optics as difference frequency generation (DFG).

在非线性学领域,超外差原理就是著名的差频产生(DFG)技术。

The synthetic principle and the process method of diglycol dioleate were discussed in this paper.

本文探讨一缩二乙醇油酸双酯酯化反应的合原理及其工艺操作方法。

The principle and equipment of sorbitizing isothermal heat treatment without lead are introduced.

指钢丝铅浴索氏体化热处理存在的问题,介绍无铅索氏体化等温热处理的原理和设备。

Slit lmp microscope is an ophthalmologic opticalinstrument used to check preocular optical magnification .

裂隙灯显微镜是借助学放大原理，检查前部和内部的学仪器。

These machines work on the same principle.

这些机器按同样的原理运转。

These machines both work on the same principle.

这两台机器的工作原理是一样的。

We owe to Newton the principle of gravitation.

万有引力原理的发现应归功于牛顿。

This treatise introduces the physicochemical property,reaction mechanisim,synthesis method and the yield of benzyl pyridin benzimidazolone.

对苄基吡啶基苯并咪唑酮的物化性质、反应原理、合方法及收率作详细叙述。

The reaction principal, reaction procedure and flowsheeting in the potassium sulfate method are included.

给甲酸钠法的反应原理、反应过程以及工艺流程。对原料消耗、产品规格及质量测定作简单介绍。

We may determine the height of a mountain by trigonometry.

我们可用三角原理测定山的高度。

The elements of physics are difficult to grasp.

物理原理是很难掌握的。

B.Lax and K.J.Button, Microwave Ferrites and Ferrimagnetics,McGraw-Hill,New York,1962.

《微波铁氧体线性器件原理》，学版社，北京，1979。

What are the chemical reaction characteristics of tropane alkaloids?

氢溴酸东莨菪碱的鉴别原理是什么？

They work on a principle of heat absorption.

他们研究吸热的原理。

A graduate student instructed the freshmen in the rudiments of music theory.

一名研究生向新生教授音乐理论的基本原理。

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立。