1.1.2 History of Mechanical EngineeringA Historical Review of the Development of Machinery--AbroadIn the early 18th century, the first industrial revolution wasrepresented by the emergence of steam engines. People beganto design and manufacture various machines, such as textilemachines, trains and steam turbines.Atthe same time, machinery manufacturing equipment andtechnologyarealso developing synchronouslyFrenchArmyTechnicalOfficer"Jenny Spinning Machine"Guno invented the world'sfirstinvented byHargreavessteam-powered car16
⚫ A Historical Review of the Development of Machinery- Abroad 1.1.2 History of Mechanical Engineering In the early 18th century, the first industrial revolution was represented by the emergence of steam engines. People began to design and manufacture various machines, such as textile machines, trains and steam turbines. At the same time, machinery manufacturing equipment and technology are also developing synchronously. "Jenny Spinning Machine" invented by Hargreaves French Army Technical Officer Guno invented the world's first steam-powered car 16
1.1 Definition And History of Mechanical EngineeringWords and Expressionsmechanics[mr'kaenrks]the branch of physics that deals with the action ofn.力学(这里指静力学)forcesonmaterial objectswithmassdynamics[dar'naemrks]n.动力学the branch of mechanics that is concerned with theeffectsofforcesonthemotionofobjectsthermodynamics3:moudar'naemiksn.热力学the science of the conversions between heat and otherforms ofenergycomputer-aideddesign (CAD)计算机辅助设计[kom'pjutoeididdr'zan]computer-aided manufacturing (CAM)计算机辅助制造[kam'pjutaeididmenju'faektform]产品生命周期管理:全生product life cycle management命周期管理['prpdaktlaif'saikl'maenid3mant]aireraft['eokra:ft]n.航空器a vehicle capable of atmospheric flight due tointeractionwiththeair,suchasbuoyancyorlifwatercraft['woitakra:ft]n.船舶aboat,ship,sea scooter,or similarvehicle17
17 Words and Expressions 1.1 Definition And History of Mechanical Engineering
1.1 Definition And History of Mechanical EngineeringWords and Expressionsseismometer[saz'mpmita]n.测震仪a device used by seismologiststo detect andmeasureseismicwavesandthereforelocateearthquakeschariot['tfaeriatn.双轮数篷马车(古代用a two-wheeled horse-drawn vehicle,used in Bronze于战争)AgeandEarlyIronAgewarfarehorologist[hprpladsist]n.时计学者someonewhomakes orrepairswatchesorclocksn.擒纵机构escapementmechanism[r'skerpmant'mekanizam]endlesspower-transmitting chain drive无级动力传动链传动['endlaspauatraens'mrtmtfemdrary]AmericanSocietyofMechanicalEngineers(ASME)美国机械工程师协会[a'merkansa'saiotiovma'kaeniklendr'nz18
18 Words and Expressions 1.1 Definition And History of Mechanical Engineering
1.1 Definition And History of Mechanical EngineeringQuestions for Discussion1.Give a definition of mechanical engineering2.Which branch are mechanical engineering mainly include?3.Which functions have mechanical engineering?19
19 Questions for Discussion 1.Give a definition of mechanical engineering. 2.Which branch are mechanical engineering mainly include? 3.Which functions have mechanical engineering? 1.1 Definition And History of Mechanical Engineering