简介:ChinaandtheU.S.haveinitiatedaseriesofbilateralandmultilateralactionstodealwiththeNorthKoreannuclearcrisis.Inthelong-term,bilateralcooperationwilldependonPyongyang’sactions,U.S.attitudeonthenuclearissue,NorthKorea’spositioninChina’sgrandstrategyaswellasthebalancebetweenSino-U.S.strategiccompetitionandcooperation.
简介:让一,b,k,r是有1一b和r的nonnegative整数2。让G是有$n的顺序n的一张图>\tfrac{{(+b)(r(+b)-2)+ak}}{一}$。在这份报纸,我们首先为部分的所有显示出描述(一,b,k)批评的图。然后使用结果,我们证明G都是部分的(一,b,k)批评如果$\delta(G)\geqslant\tfrac{{(r-1)b^2}}{一}+k$并且$|N_G(x_1)\cupN_G(x_2)\cup\cdots\cupN_G(x_r)|\geqslant\tfrac{{bn+ak}}{{+b}}$为任何独立子集{x1,x2,,xr}在G。而且,这被显示出条件$|N_G(x_1)上的更低的界限\cupN_G(x_2)\cup\cdots\cupN_G(x_r)|\geqslant\tfrac{{bn+ak}}{{+b}}$是在某感觉可能的最好,并且它是Lus的延期以前的结果。
简介:<正>1IntroductionTheundergroundbrineresourcesdistributingwidelyinSichuanBasin,Chinahavedrawnworldwideattentionduetotheirunusualelementabundanceandexcellentquality.
简介:NatsumeSōseki(1867-1916)sufferedfromcyclicmentaldepressionsthroughhislife,anditwaswhenhewasinthestateofthemostterribleonethathestartedhiscareerasawriterbywritingIAmaCat(1905-1906).TherearesomeevidencebyhiswifeandfriendsthatSōseki’sconditionofdiseasedramaticallyimprovedduringitsserializationonamagazine,andthewriterhimselfadmitedhumorouslyintheprefaceofotherworkthatitwashisdepressionandmaniathatenabledhimtoproduceIAmaCatandotherearlyworks.Thispaperaimsatdescribingtheprocesshowhisactofnarratinghadtherapeuticeffectsonhisstateofmindfocusingontheconstructionofcomplicitousrelationshipbetweenanimpliedauthorandreadersintheworkbytheuniquefunctionsofthefirst-‘person’narrator:ACat.Amongothers,IwillconsidertheinfluenceofLaurenceSterne’sTristramShandy(1759-1767),whichSōsekiintroducedtoJapanforthefirsttime,bydiscussingthefrequentuseofmetalepsisthatthetwoworkshaveincommon.
简介:摘要本文通过对大量工程变更数据进行归纳,采用K均值聚类分析方法对工程变更数据进行分类,并进行参数测定,通过计算不同导致工程变更发生原因指标到各聚类中心的距离,来拟合预测未来类似情况下新建输变电工程中同一原因导致的工程变更对造价的影响程度,预测分析结果为今后类似建设工程的造价控制提供了参考依据。