简介:2016年6月底开始,各省市高考陆续放榜。尽管“鲤鱼跳龙门”的神话效应正在淡化,同时受出国留学的分流,北京的考生人数呈逐年下降趋势,但高考依然是影响着数以千万计中国客庭的头等大事。对资本来说,这就意眭蕾千万级别的流量入口和仍在快速增长的万亿规模的教育产业。2005年登陆中国的《魔兽世界》在游戏界可谓种一般的存在:创下全球同时在线人数破千万的纪录,10年间虏获1亿注册用户,其中包括数以百万计的中国玩家,迄今依然以超出第二名两倍的绝对优势稳坐付费游戏的冠军宝座,确定了“暴雪出品,必属精品”的地位。然而,《魔兽》电影却一波三折,等到了中国娱乐资本的壮大。
简介:Surgicaloptionsdevelopedtotreatcarotidarterystenosishaveevolvedinthelastsixdecades,andstudieshaveshownthesuperiorityofcarotidendarterectomy(CEA)comparedtomedicaltherapy.Similarly,asendovasculartherapyhasevolvedoverthelasttwodecades,studiesreflectingsafety,feasibility,andequivalenceofcarotidarterystenting(CAS)toCEAhavebeenreplicatedinseveralstudiesforintermediatetohighsurgicalriskpatients.However,sinceitsinception,thefieldofCAShasbeenmiredinseveralcontroversiesandhasbeensubjecttointensescrutinyfrommultiplestakeholderswithinthefieldofmedicine.ThisreviewdiscussesspecificissuesconcerningCASthatarerelevantinthecurrentera.
简介:AfterthereleaseofthepreviousreporttotheCommitteeonSpaceResearch(COSPAR)onprogressachievedbyChinesescientistsinionosphericresearches(LiuLBandWanWX,2016),intherecenttwoyears(2016–2017)manyinterestingnewinvestigationsintovariousionosphericrelatedissueshavebeencompleted.Inthisreport,about100publicationsaresummarized.Thetopicshighlightedareasfollows:Ionosphericspaceweather,ionosphericdynamics,ionosphericclimatologyandmodelling,ionosphericirregularityandscintillation,GlobalNavigationSatelliteSystem(GNSS)relatedionosphericissuesandothertechniques,andradiowavepropagationintheionosphere.AnoutstandingfeatureisthatmoreandmoreobservationsfromtheMeridionalProjectsupportedtheionosphericinvestigations.