原理

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

教授用图表解释经济学原。

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

推导出了加速度相对性原和力相对性原。

They work on a principle of heat absorption.

他们研究吸热原。

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

一名研究生向新生教授音乐基本原。

We owe to Newton the principle of gravitation.

万有引力原发现应归功于牛顿。

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

裂隙灯显微镜是借助光学放大原，检查眼前部和眼内部眼科光学仪器。

These machines work on the same principle.

这些机器按同样原运转。

These machines both work on the same principle.

这两台机器作原是一样。

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物化性质、反应原、合成方法及收率作了详细叙述。

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

阐述了钨酸钠溶液中除硅、磷、砷原,并提出了具体操作艺。

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

本了一缩二乙醇油酸双酯酯化反应合成原及其艺操作方法。

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

本纠正了“迭加原”错误,建立了新光伏。

We may determine the height of a mountain by trigonometry.

我们可用三角原测定山高度。

What are the chemical reaction characteristics of tropane alkaloids?

氢溴酸东莨菪碱鉴别原是什么？

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

给出了甲酸钠法反应原、反应过程以及艺流程。对原料消耗、产品规格及质量测定作了简单介绍。

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》，科学出版社，北京，1979。

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

当然该原逆命题也有可能成立。

The elements of physics are difficult to grasp.

物原是很难掌握。

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

在非线性光学领域,超外差原就是著名差频产生(DFG)技术。

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

指出钢丝铅浴索氏体化热处存在问题,介绍无铅索氏体化等温热处原和设备。