新世紀(jì)理工科英語(yǔ)教程

前言

　　大學(xué)英語(yǔ)教學(xué)大綱（修訂本）規(guī)定大學(xué)英語(yǔ)教學(xué)分為基礎(chǔ)階段（一至二年級(jí)）和應(yīng)用提高階段（三至四年級(jí)）。應(yīng)用提高階段的教學(xué)包括專業(yè)英語(yǔ)（Subject.Based English，簡(jiǎn)稱SBE）和高級(jí)英語(yǔ)（Advanced English，簡(jiǎn)稱AE）兩部分。大綱明確指出：“大學(xué)英語(yǔ)教學(xué)的目的是培養(yǎng)學(xué)生具有較強(qiáng)的閱讀能力和一定的聽(tīng)、說(shuō)、寫(xiě)、譯能力，使他們能用英語(yǔ)交流信息。……以適應(yīng)社會(huì)發(fā)展和經(jīng)濟(jì)建設(shè)的需要。”新世紀(jì)對(duì)人才在外語(yǔ)方面提出了更高的要求。抓好大學(xué)英語(yǔ)應(yīng)用提高階段的教學(xué)已勢(shì)在必行。編寫(xiě)本教材的目的是幫助理工科學(xué)生在應(yīng)用提高階段進(jìn)一步發(fā)展、鞏固和提高基礎(chǔ)階段已掌握的讀、聽(tīng)、寫(xiě)、說(shuō)、譯五種技能，并使部分有一定口語(yǔ)基礎(chǔ)的學(xué)生在聽(tīng)說(shuō)能力方面也能有較大的提高，以適應(yīng)21世紀(jì)對(duì)高級(jí)人才的需求。　　本教材主要適用于已完成基礎(chǔ)階段學(xué)習(xí)的高等學(xué)校理工科本科生，為應(yīng)用提高階段的必修課和選修課教材，也可用作研究生教學(xué)或工程技術(shù)人員的外語(yǔ)培訓(xùn)教材?！　∪捉滩挠蓪I(yè)教師和英語(yǔ)教師合作編寫(xiě)而成。它以英國(guó)語(yǔ)言學(xué)家H.G.Widdowson的交際法理論為依據(jù)，著重解決語(yǔ)言運(yùn)用能力的培養(yǎng)問(wèn)題，使學(xué)生將基礎(chǔ)階段已掌握的英語(yǔ)語(yǔ)言知識(shí)和技能在自己的專業(yè)領(lǐng)域中得到進(jìn)一步實(shí)踐和應(yīng)用，從而達(dá)到能以英語(yǔ)為工具獲取和交流信息的教學(xué)目的。

內(nèi)容概要

　　本書(shū)為Mechanical Engineering分冊(cè)，供機(jī)械工程及相關(guān)專業(yè)的大學(xué)本科學(xué)生作專業(yè)英語(yǔ)（Subject—Based English，簡(jiǎn)稱SBE）即大學(xué)第五、六學(xué)期教材使用，約需68學(xué)時(shí)。 　　本書(shū)分Text（課文）、Practical Writing（實(shí)用文寫(xiě)作）和Glossary（生詞表）三部分。Text（書(shū)中不注明）分20個(gè)單元，每個(gè)單元由Reading and Comprehension，Reading andPractice和Reading and Translation三部分組成。全書(shū)選材面向21世紀(jì)的要求，以反映時(shí)代特色。材料選自國(guó)外原版教材、文選、論著、會(huì)議論文、實(shí)用文件、報(bào)刊雜志等。內(nèi)容涉及機(jī)械T程及相關(guān)專業(yè)的基本物理概念、基礎(chǔ)工程知識(shí)、發(fā)展簡(jiǎn)史或重大發(fā)明創(chuàng)造、人物傳記、重要組織機(jī)構(gòu)簡(jiǎn)介以及學(xué)科發(fā)展動(dòng)向。

書(shū)籍目錄

UNIT ONE  Reading and Comprehension  Introduction to Mechanical Engineering  Reading and Practice  The Meaning of Design  Reading and Translation  EngineersUNIT TWO  Reading and Comprehension  History of the Computer  Reading and Practice  Manufacturing Engineering  Reading and Translation  Engineering Manufacturing ReviewUNIT THREE  Reading and Comprehension  How Do Homing Pigeons Find Home?  Reading and Practice  Properties of Metals  Reading and Translation  Engineering MaterialsUNIT FOUR  Reading and Comprehension  The Three Mile Island Accident  Reading and Practice  Product Quality  Reading and Translation  Quality ControlUNIT FIVE  Reading and Comprehension  The Classification of Casting  Reading and Practice  Heat Treatment  Reading and Translation  Forming ProcessesUNIT SIX  Reading and Comprehension  Mechanisms and Machines  Reading and Practice  Spur Gears  Reading and Translation  Flexible Mechanical ElementsUNIT SEVEN  Reading and Comprehension  Joining Processes  Reading and Practice  Rolling Contact Bearings  Reading and Translation　ShaftsUNIT EIGHT  Reading and Comprehension  Power of Machines  Reading and Practice  Clutches, Brakes, Couplings, and Flywheels  Reading and Translation  Introduction to Traction DrivesUNIT NINE  Reading and Comprehension  Theory of Metal Cutting  Reading and Practice  Cutting Tool Materials, Wear, and Life  Reading and Translation  Introduction to Chips and ChatterUNIT TEN  Reading and Comprehension  Machinability  Reading and Practice  Nontraditional Machining Operations  Reading and Translation  Oblique versus Orthogonal CuttingUNIT ELEVEN  Reading and Comprehension  Headstock of Engine Lathe  Reading and Practice  Size, Bed, Tailstock and Carriage of Engine Lathe  Reading and Translation  Milling Machines, Shapers, Planers, and Grinding MachinesUNIT TWELVE  Reading and Comprehension  Mechanization, Automation  Reading and Practice  Introduction to Time Series Analysis  Reading and Translation　ReliabilityUNIT THIRTEEN  Reading and Comprehension  Computer Hardware  Reading and Practice  Programming Languages  Reading and Translation  Computer CategoriesUNIT FOURTEEN  Reading and Comprehension  Types of Mechanical Drawing  Reading and Practice  Tolerances, Fits, and Interchangeability  Reading and Translation  Introduction to CAD of DraftingUNIT FIFTEEN  Reading and Comprehension  Fundamentals of Numerical Control  Reading and Practice  Classification of NC Systems  Reading and Translation  Applications of NCUNIT SIXTEEN  Reading and Comprehension  Group Technology (GT)  Reading and Practice  Applications of Group Technology  Reading and Translation  CAPPUNIT SEVENTEEN  Reading and Comprehension  Introduction to Robots  Reading and Practice  Programming Robots  Reading and Translation  Robot ApplicationUNIT EIGHTEEN  Reading and Comprehension  Just-in-Time Concept  Reading and Practice  Introduction to Simulation  Reading and Translation  Simulation. Current Use in Decision SupportUNIT NINETEEN  Reading and Comprehension  Concepts of Computer Control  Reading and Practice  Automation and Adaptive Control  Reading and Translation  Dynamic Analysis of Mechanical Systems by ComputerUNIT TWENTY  Reading and Comprehension  Flexible Manufacturing Systems and Workcells  Reading and Practice  Computer-Integrated Manufacturing  Reading and Translation  Introduction to Computer ControlPRACTICAL WRITINGGLOSSARYAPPENDIXSelected Popular Words in Mechanical Engineering

章節(jié)摘錄

　　1. Design all functional and physical characteristics to be as simple as possible. : Complexi ty of the design has a direct bearing on production costs. As a general rule, the serv ice life of a part can be extended considerably when the design of the parts is simpleand sturdy. The loadcarrying capacity of a part is more predictable when the designconfiguration is straightforward and uncomplicated.　　2. Design for the most economical production method.It is particularly important to keepthe scrap problem in mind. The ratio of the weight of original material required tothe weight of the finished piece provides a clue to possible cost reductions. This is especially true for highvolume production of parts. Weight considerations often result in a reduction of scrap costs as well as a substantial cost savings of machining time.　　3. Design for a minimum number of machining operations.The fewer operations necessa ry to complete a part to drawing specifications, the lower the cost. Needless fancy or nonfunctional configurations requiring extra operations and materials should be omitted from the design. Actually, the greatest savings obtained in designing for production usually result from a reduction in the number of separate processing operations required to complete a part.　　4. Specify finish and accuracy no greater than are actually needed.Tolerance on finish and on dimensions plays an important part in achieving a practical production design. The specification of needlessly close tolerances and an unreasonable degree of surface roughness always result in excessive and, in some cases, prohibitive cost.　　5. Accessibility of different parts or areas. All components and parts of the productshould be accessible to facilitate regular cleaning and maintenance work. Unaccessible areas lend themselves to the accumulation of dirt with the final outcome being corrosion and / or malfunctioning of the product, Crevices, narrow slots, and bolts and nuts located in places where it is difficult to clean, mount, tighten or loosen, or remove them should be avoided.

編輯推薦

　　《新世紀(jì)理工科英語(yǔ)教程：機(jī)械工程（學(xué)生用書(shū)）》為Mechanical Engineering分冊(cè)，供機(jī)械工程及相關(guān)專業(yè)的大學(xué)本科學(xué)生作專業(yè)英語(yǔ)（Subject—Based English，簡(jiǎn)稱SBE）即大學(xué)第五、六學(xué)期教材使用，約需68學(xué)時(shí)。

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