原理

There are also several other words that scientists apply to ideas that they deem important: in addition to axiom, we have hypothesis, principle, equation, theory, theorem and model.

科学家也使用别的词来表达他们认为的重要思想：除了公理还有假说，原理，方程，理论，定理以及模型。

For the sake of solving the problem of great rotary inertia and forged steel rockerarms bad wear-resisting property in the engine of Xia Li cars with modelTJ370Q TJ376Q, we utilize the assembly theory of creative engineeringmethodology to respectively make the aluminum alloy materials and siliconnitride engineering ceramics as base stock of rocker arm and cabochon glut. Inthis way, the goodness of these two kinds of materials are fully strengthened. Forthe new rocker arms, their comprehensive property are enhanced and the cost ofmanufacture is lower than before.

为了解决夏利轿车发动机TJ370Q和TJ376Q中所装配的锻钢镀硬铬气门摇臂所存在的转动惯量大、圆弧面耐磨性差的问题，项目研制中运用创造性方法学中的&组合&原理，有针对性地选用铝合金和氮化硅陶瓷这两种具有不同性能特点的材料分别作为摇臂基体和工作圆弧面镶块，充分发挥两种材料各自不同的性能优势，从而达到提高产品综合性能，降低制造成本的目的。

To improve the reconfiguration of hillside field into terrace,holistic techniques of soft-ridged bench terrace engineering,including revegetation with tr...

在生物方面，按照&生物多样性&理论和&景观生态学&原理，把树木和牧草种植在梯田的埂坡外侧面，达到梯田林网化和稳定地埂的目的。

This article introduces the structure, principle, advantage and application effect of DJM annular tube waste heat boiler

介绍DJM型套管锅炉结构、原理，相对热管锅炉的优越性及使用效果。

It is a mechanical pump with high evacuating speed also referred to as mechanical booster pump.

原理：罗茨泵，罗茨真空泵，是一种大抽速的机械真空泵，亦称机械增压泵。

Principle: bottle swallow eggs is a vivid description of the experiment at atmospheric pressure there.

原理：瓶吞蛋是一个说明大气压存在的生动实验。

CONSTITUTION: The button-sewing machine comprises: a fixing means for fixing a button and an article being sewn; a moving means for moving the fixing means to stitch 缝制 the button to the article being sewn with seams of a specified sewing pattern; a fixed blade; a moving blade for drawing a thread and then moving to cut the thread by the cooperation with the fixed blade; and a button, wherein the machine has a control means for controlling a fabric transferring means to move the button to a preset position before cutting the thread.

原理：钉扣机包括，一个固定部件，用来固定按钮和一个缝纫零件；一个移动零件，用来移动固定部件来把纽扣缝制在部件上，绘上一个特别的缝纫图案；一个固定刀片；一个移动刀片用拖出线，然后通过与固定刀片的联合切断线；最后一个按纽，就是机器的一个控制部件，用来控制一个纤维转变方法用来移动按纽，在切线之前，提前找好位置。

This course presents knowledge of wood drying and preservation treating property, principles and practical techniques that can applied to the drying and preservation of lumber, dimension stock and many special items.

本课程介绍有关木材之乾燥以及保存处理之性质，原理，实际作业方法，使学者具有实际操作之技术并期获得最低之处理成本与最佳之成品品质。

The article introduces the structure and principle of inner pneumatic swinging door ,draws the moving track,and analyzes the influence of moving mechanism control point position to the passageway and step size.

介绍气动内摆门的构造、原理，绘制出运动轨迹，分析运动机构控制点的位置对通道、踏步尺寸的影响。

Principle,methods, indication and contraindication of bone metastatic carcinoma curring by 153Sm and 89Sr.

2.153Sm及89Sr治疗骨转移癌：原理、方法、适应症和禁忌症。

"Please accept this talisman as a token of our thanks."

请收下这个护身符以表达我们的感谢。

If I have that magic, I will be more acceptable in the society.

如果我拥有那种魔法，我将更加被这个社会所容纳。