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INTRODUCTIONItisknownthattheapplicationofanAll Op ticaltypeSiliconMicroResonator (AOSMR)orsensorisgreatlyrestrictedbytheproblemofop ticalcoupling (Guckeletal.,1 993;Pitcheretal.,1 990 ) .Thevibratorsurfaceisusedforopti calexcitationandvibrationpickupinanumberofAOS… 相似文献
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《中国职业技术教育》1996,(4)
1995年全国各级成人学校基本情况BasicStatisticsofAdultSchoolsinChinabyLevel&Typein10thousand(A):ofthetotal:TheRegularShort-CycleCoursesinRad... 相似文献
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伍柳 《柳州职业技术学院学报》2002,2(2):76-81
I.TheMeaningofStyleAlltypesofwriting,likestories,legaldocumentsandpersonalletters,havemuchincommon:theycontainmanyofthecommonwordsusedbypeopleeverywhereandeveryday ,observethesamebasicmorphologicalandsyntacti calrules,andfollowthesamecustomofusingpunctua… 相似文献
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Amongthefourbasicskills ,writingistheweakpointofcollegestudentsinChina .Althoughinrecentyearsmuchmoreemphasisisputonthestudents’productiveskills ,duetothelimitedtime ,theyarenottakenveryseriouslyinpractice .IncurrentcollegeEng lishteachinginChina ,usuallyt… 相似文献
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Ghulam Qasim Mehboob ur Rehman A. Kareem . School of Communication Information Engineering Shanghai University Shanghai China . Gomal University D.I.Kham Pakistan 《上海大学学报(英文版)》2000,4(1):27-30
1 Introduction Anumberoffullwaveanalyseshavebeenproposedinthepasttwodecades[1~3].Theseallpredictthecharacteristicsofmicrostripantennasrigorouslyathigherfrequencies.Thespectraldomainmethodofmoments[3],usingsimplebasisfunctionsrequiresalargesizematrixsuchas(… 相似文献
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1 Introduction Itiswellknownthatn GaAsandanumberofothercompoundsemiconductorscanexhibitself sustainedcurrentoscillationsinthemicrowaverangewhentheapplieddriftfieldexceedsthecharacteristicthresholdvalue .Semiconductorsareappropriatematerialsforunderstan… 相似文献
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鄂国康 《上海大学学报(英文版)》1999,3(1):25-29
1 Introduction Thestochasticdifferentialequations(SDE)areusedinmanyareasofscienceandengineering.ThemainpurposeforsolvingproblemswithSDEistoobtaintheprobabilitydensityfunction(PDF)ofthestatevariablesgovernedbytheSDEbecausemanyotherstatisticalanalysisa… 相似文献
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INTRODUCTIONSpectroscopicmethodsareincreasinglybeingemployedforquantitativeapplicationinchem istry,biologyandmedicine .Whileadvancesininstrumentationbringincreasedresolutionandsensitivity ,themultivariatecalibrationmodelsasstatisticaltoolshavealsobeensh… 相似文献