简介:Althoughmanylinguistictheoriesandformalismshavebeendevelopedanddiscussedontheproblemofparsingalgorithminthepastdecades,theefficiencyandaccuracyofparsingarestillseriousproblemsinpracticalmachinetranslationsystems.Thispaperpresentsaparsingalgorithmwitdynamicruleselectionandtheexperimentalresults.Bydescribingthedesignandpracticeoftheinprovedalgorithm,thepaperdiscussesindetailthedesigningmethodforahighspeedandefficientparser.
简介:ALONGwithdeepenedreformsionactionsHunt2014'seconomyhasentereda"newnormal."Thecon-ceptofgovernanceaccordingtolawwasraisedoncemoreattheFourthPlenarySessionofthe18thCentralCommitteeoftheCommunistPartyofChina(CPC)lastOctober.Itsignifiesthattheruleoflawwillgovernthefuturesounddevel-opmentoftheChineseeconomy.
简介:Westudyexperimentallyandtheoreticallytheplanardynamicsofpurelyrollingprismsonaroughramp,wheretherollingmotionisinterruptedintermittentlybyedgeimpacts.Theexperimentswerecarriedoutforprismsmadeofdifferentmaterialsandhavingdifferentgeometries.Wefoundthattheangularvelocitiesoftherollingprismsarematerial-independent,buttheychangesignificantlywiththeirgeometry.Wemodelledthedynamicsofedgeimpactsbyconsideringasocalleddetachmentfrontpropagatingacrossthecontactinterface.Thedetachmentfrontrepresentsthemovingboundarybetweenadetachedregionandastressregionthatcoexistwithintheinterfaceplane.Thetheoreticalanalysisindicatesthatthedetachmentfrontcanbecharacterizedbyascalenumber,whosevalueconvergesto0.4050forprismshavinglargenumberofedges.Anewjumpruleforedgeimpactsisthendeveloped,bywhichwecanaccuratelyreproducetheexperimentalobservations,andexplainwhythemotionoftheprismismaterial-independent.
简介:FinitepartintegralsintroducedbyHadamardinconnectionwithhyperbolicpartialdifferentialequations,havebeenusefulinanumberofengineeringapplications.Inthispaperweinvestigatesomenumericalmethodsforcomputingfinite-partintegrals.
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简介:Inthispaper,weintroduceaquadratureruleforthenumericalevaluationofcertainhypersingularintegrals.TheruleisobtainedbyusingHermiteinterpolationpolynomial.Errorboundisalsomade.
简介:ThispaperintroducesthemainPCBrulesbasedonPentiumMformobilecomputerarchitectureinmilitaryarea,settlesrulesoflayout,inductssimulatediscussiontocrosstalkofparallelingtransmissionlines,advertsthematchingrulesoftimelength,andoffersanexecutionwaytoreducemotherboardareaandimprovemakingprocess.