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1、Lecture 7 Translation Assignments and Presentation EnglishI. 翻译作业The final part of the paper highlights the areas for potential application of thermomechanical treatments and emphasizesthe need for informationto facilitate design of suitable forming equipment（for exploiting the potential of thermome
2、chanical treatments over a range of temperature）as a means of producing various product forms enhanced property combinations.文章的最后部分着重论述形变热处理可能应用的领域，并强 调指出：为了便于设计适宜的成形设备，作为生产具有优异 综合性能的不同形状产品的工具，需要获得相关的信息，而 这种成形设备可用来发挥在一系列温度下形变热处理的潜力 。Scientists are confident that all matter is indestructible（不可毁灭的）.
3、Many chemical reactions need heat to make them take place.Machine parts of irregular shape can be washed very clean by ultrasonic.The expression of the relation between force, mass and acceleration is as follows.参考译文：科学家们都深信，所有的物质都是不 灭的。许多化学反应的发生都需要热。形状不规则的机器零件可以通过超声 波来清洗干净。力,质量和加速度之间的关系表示如 下。He is
4、a stranger to the operation of the electronic computer.Generally speaking, methane （甲烷） series are rather inert（惰性的）.One of the outstanding properties of carbon atoms is its ability to share its electrons with other carbon atoms.参考译文：他对计算机的操作是陌生的。总的来说，甲烷系的烃惰性很强。碳原子的一个显著特征是它能够与其 它碳原子共用电子。Sodium（钠） is
5、 very active chemically.Methane is less than half as heavy as water.The different hydrocarbons in crude （天然的） oil boil at different temperatures.参考译文：钠的化学特性很活泼。甲烷的重量不到水的一半。原油中不同烃的沸点不同。Twins can forms either during plastic deformation or in annealing（退火） treatment . The previous one is well known as
6、mechanical twins, while the latter is termed as annealing twins. Mechanical twins tend to take place in cases of rapid deformations or deformation at low temperature. Twins occurs in specific crystallographic（晶体的、晶体学的） plane and in certain crystallographic direction, which is highly dependent on cry
7、stal structure of materials.参考译文：孪晶可在塑性变形过程中或塑性 变形后的退火处理过程中产生。前一种 类型的孪生就是熟知的机械孪生；后一 种类型的孪生被称作退火孪生。机械孪 生易于发生在快速变形或低温变形时。 孪生也发生在特定的晶体学平面和特定 的晶体学方向上，其与晶体结构有关。Slip（滑移） and twining constitute the main two types of plastic deformation of materials. The process of plastic deformation produced by dislocatio
8、n motion is termed as slip. Plastic deformation is permanent deformation of materials, which results movement of dislocation when subjected to external force. Slip takes place on certain dislocation in specific plane. Slip system is groups of slip plane and slip direction, the number of which depend
9、s on the crystal structure . The start of dislocation is determined by relative orientations of external force axis with respect to slip plane and slip direction.参考译文：滑移和孪生是材料两种主要塑性变形方 式。材料通过位错运动式形产生塑性变形的 过程称为滑移。塑性变形是材料发生的永久 性变形，在微观尺度上，是材料受到外加剪 切应力时所引起的位错滑运动。滑移在发生 在特定的晶体学平面内的位错上。滑移系是 滑移面和和滑移方向结合，滑移系
10、数量取决 于材料的晶体结构。位错的启动取决于外加 应力轴与滑移面和滑移方向的相对取向。II. Presentation English1. Beginning the Speech1). Opening Remarks 开场 Good morning, everyone. I appreciate the opportunity to be with you today. I am here to talk to you about Good morning, everyone. I am very happy to have this chance to give my presentati
11、on. I am very happy/glad/pleased to be here.2). Introducing the Subject and the outline of the Presentation引入话题 a. Background Information Let us start with I think it would be best to start out by looking at a few slides. May I begin with a general outline of this project? The first point Id like to
12、 make is the historical background of the invention.b.Topic Today, I am going to give a talk on My topic today will deal withc. Outlining I shall first talk about . and then touch on. and finally discuss . My presentation will be given in four parts. The first part deals with . The second part relat
13、es to. The third part concerns . And the last part discussesd. Purpose/Objective The purpose of this presentation is to.1). Announcing the Beginning of the Speech Text To begin with, I would like to talk about a principle. I think it would be best to start out by looking at some pictures. The first
14、thing I would like to talk about is the definition of the terms which I11 use in my presentation.2. Developing the Speech Text2). Shifting to the Next Main Point Well, lets move on to the next point. We will now come to the second problem. So much for the methodology of our experiment. I would now l
15、ike to shift to the discussion of the results. The next point Id like to talk about is That brings me to my second point.3). Resuming the Topic Let s come back to what I said in the first part of my speech. Getting back to the subject of the problem of theoretical considerations we can find that. I
16、want to return to the first part of my presentation.4). Introducing the Supporting Materials Lets go through the following points very rapidly.5). Explaining the Contents on the Slides This slide demonstrates . On this slide, you can see. This curve in this slide shows. This figure in this slide exhibits. This table on this slide presents.1). Summarizing In conclusion, In closing, To sum up2)
