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1、华中科技大学文华学院毕业设计论文华中科技大学文华学院毕业设计（论文）外文文献翻译（本科学生用）题目：N600-16.67/537/537反动式汽轮机热力系统热平衡计算、7号高压加热器设计学生姓名：陈正学号：090204011101学部(系)：机电学部专业年级：09级热能与动力工程指导教师：刘华堂职称：副教授-4-华中科技大学文华学院毕业设计论文2011年4月23日外文文献翻译（译成中文1000字左右）：【主要阅读文献不少于5篇，译文后附注文献信息，包括：作者、书名（或论文题目）、出版社（或刊物名称）、出版时间（或刊号）、页码。提供所译外文资料附件（印
2、刷类含封面、封底、目录、翻译部分的复印件等，网站类的请附网址及原文】Thereceiver/detectorandtheprismarecompact,lightweightdevicesmountedontheequipmentshafts,withacord-connectedmicrocomputermoduleexternaltothereceiver/detector.Theprism,redirectingtheinfraredbeam,allowsmeasurementofparalleloffsetinoneplaneandangul
3、arityintheother,simultaneouslycheckingboth.One360-degrotationoftheshaftsisenoughfordeterminationofallfourdirectional–alignmentcorrections.Thereceiverisabiaxial,analog,photoelectricsemiconductorpositiondetector,givingmathematicalresultswithinamicron.Computationdataenterautomatic
4、allythroughthecablefromthereceiver/detector.Theonlymanuallyentereddatumisrelativeposition-fourtimes,at0,90,180,and270deg,althoughresultscanbeaccurateevenwithonly180degrotation,incasesofphysicalobstruction.Fromthedataautomaticallyobtainedfromthereceiver/detector,themicrocomputer
5、instantaneouslygivesthehorizontalandverticaladjustmentneededtoaligntheMTBMPhysicalcontactbetweenmeasuringpointsisnolongerrequired.Thepointsarebridgedbythelaserbeam,eliminatingchanceoferrorfromgravitationalhardwaresagaswellasfromstickydialindicatorsandhumanerrorindatataking.Quic
6、k-fasteningbracketsorothersuitablehardwareisthebasicattachmentmethodforthecomponents.UseracceptanceAsurveyofUSusersoflaser-opticdevicesindicatesuniversalacceptance,withasinglecomplaint.Oneusernotedthattheliquid-crystal-displayalphanumericsfadeinthelowtemperaturesofaMidwesternwi
7、nter.Theuserpointedout,nevertheless,thatthecomputerhadretainedallinputandcalculateddataandreadilydisplayedtheinformationwhentakentoawarmerlocation.Themanufacturerhassincecorrected-4-华中科技大学文华学院毕业设计论文theproblem.Laser-opticalignmentatoneplanttakesonlyafifthofthetimepreviouslyspent
8、onconventionalreverseindicatoralignment.Inorderofperce
