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機械工程英語教程(附光碟)(簡體書)
機械工程英語教程(附光碟)(簡體書)
  • ISBN13:9787040345957
  • 出版社:高等教育出版社
  • 作者:李霄翔
  • 裝訂:平裝
  • 附件:附光碟
  • 規格:23.5cm*16.8cm (高/寬)
  • 版次:1
  • 出版日:2012/08/27
  • 人民幣定價:34元
  • 定  價:NT$204元
  • 可得紅利積點:6 點
  • 庫存: 無庫存,下單後進貨(採購期約45個工作天)
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  • 《大學專門用途英語系列教材:機械工程英語教程》每單元的內容基本上可以分為四個部分,第一部分主要介紹和集中訓練相關詞匯,致力於掃除專業和學術詞匯障礙;第二部分集中訓練專業知識背景下的聽力或閱讀技能,強調專業和語言學習過程中基本信息輸入的質和量這兩個要素;第三部分是上一環節的延續和發展,重點訓練專業和語言學習過程中信息加工和產出所需要的基本技能;第四部分為口語或寫作練習,強化產出技能訓練。每單元末尾還附有重點詞匯和技能回顧,幫助學生進一步梳理所學內容。
    《大學專門用途英語系列教材:機械工程英語教程》既可作為各學科專業英語的入門教材,也可作為以英語學習為主的專門用途英語教材。教師可以根據學生的專業需求和英語語言水平的實際情況來確定教學目標和教學重點,靈活安排課程和教學活動。.
  • 《大學專門用途英語系列教材:機械工程英語教程》既可作為各學科專業英語的入門教材,也可作為以英語學習為主的專門用途英語教材。教師可以根據學生的專業需求和英語語言水平的實際情況來確定教學目標和教學重點,靈活安排課程和教學活動。
  • 1WHATISENGINEERING?
    2ENGINEERINGACHIEVEMENTS
    3FORCESONMATERIALS
    4COMPUTERSINENGINEERING
    5MEMSANDNANOTECHNOLOGY
    6FRICTION
    7THEFUTUREOFCARS:BATTERYPOWER
    8ENGINEERINGANDSUSTAINABILITY
    9HEALTHANDSAFETY
    10ACCIDENTANALYSISINCONSTRUCTION
    11WINDTURBINES
    12WATERENGINEERING

    ADDITIONALMATERIAL
    TRANSCRIPTS
    ADDITIONALTRANSLATIONEXERCISE
    WORDLIST.


  • The collapse of the Hyatt Regency Hotel: what lessons must be learnt?
    In 1981, at the opening of the magnificent Hyatt Regency Hotel in Kansas City, a tragic accidentoccurred in which many people were killed and maimed. Several investigations into thedevastating accident were carried out and it appears to be the case that an elementary error instructural engineering design was to blame. However, much of the data also suggested that 'amore fundamental cause was a series of communication failures between the structural engineerand the steel fabricator' (Banset & Parsons, 1989: p.273).
    The background to the incident is as follows. The hotel and restaurant were crowded and therewas a dancing competition in the atrium. Above the atrium, on the second and fourth floors,were walkways (Fig. 2). As people crossed the walkways, they stopped to watch the dancing,and began tapping their feet in time to the music. Suddenly the two walkways began to fall. Theycrashed one on top of the other and then into the atrium below: 114 people were killed and morethan 200 others were injured.
    Several studies seem to agree that the people who were tapping to the music created resonance inthe walkway structure. Once resonance starts, it continues to increase in intensity until the causeis removed or the structure breaks up. The central hanger rod in the fourth floor walkway (seeFig. 2) tore through its box beam. The remaining rods could not support the extra load, so theytore through the beams one by one, leaving the rods hanging from the roof trusses while thewalkway fell loose. Because the second-floor walkway was suspended from the fourth-floorwalkway, the two fell together.
    However, resonance aside, there was probably a much simpler explanation of why the structurefailed. An investigation found that the builders had changed the design specifications duringconstruction. In order to hang the walkways, they had used two shorter rods instead of onecontinuous threaded rod through both walkways - from the roof to the fourth floor, and from thefourth floor to the second floor (Fig. 4). This decision was due to the cost of producing acontinuous threaded rod of this length, which then meant that the top box beam-rod connectionhad to carry the weight of both walkways, rather than just the top walkway as it was originallydesigned to. In hindsight, it would seem obvious that this design change was bound to lead tofailure, yet no one detected it. As Taylor and Moncarz observed, the collapse was the result of 'anill-considered change of an ill-defined structural detail' (2000: p.46).
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