原理

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

教授用图表解释经理。

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

推导出加速度相对性理和力相对性理。

They work on a principle of heat absorption.

他们研究吸热理。

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

一名研究生向生教授音乐理论基本理。

We owe to Newton the principle of gravitation.

万有引力理发现应归功于牛顿。

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

裂隙灯显微镜是借助光放大理，检查眼前部和眼内部眼科光仪器。

These machines work on the same principle.

这些机器按同样理运转。

These machines both work on the same principle.

这两台机器作理是一样。

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、反应理、合成方法及收率作详细叙述。

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、砷理,并提出具体操作艺。

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合成理及其艺操作方法。

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

本文纠正“迭加理”错误,建立光伏理论。

We may determine the height of a mountain by trigonometry.

我们可用三角理测定山高度。

What are the chemical reaction characteristics of tropane alkaloids?

氢溴酸东莨菪碱鉴别理是什么？

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

给出甲酸钠法反应理、反应过程以及艺流程。对料消耗、产品规格及质量测定作简单介绍。

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

《微波铁氧体线性器件理》，科出版社，北京，1979。

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

当然该理逆命题也有可能成立。

The elements of physics are difficult to grasp.

物理理是很难掌握。

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

在非线性光领域,超外差理就是著名差频产生(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理存在问题,介绍无铅索氏体化等温热处理理和设备。