BEIJING,Nov.22(Xinhua)--Beijinghasonceagainbecomethetopsciencecityintheworld,accordingtotheNatureIndexglobalsciencecity2023rankings,releasedonWednesday.ItistheseventhtimeinarowthatBeijinghasrankedfirstintheglobalsciencecityrankings,asmeasuredbytheNatureIndex,whichtrackstheauthorshipofarticlesin82high-qualityresearchjournals.Inthetop-10list,BeijingisfollowedbytheNewYorkmetropolitanarea,Shanghai,Bostonmetropolitanarea,SanFranciscoBayArea,Nanjing,Baltimore-Washington,Guangzhou,TokyometropolitanareaandWuhan.BesidesBeijing,nineotherChinesecitiesarerankedamongthetop20sciencecitiesintheworld.Accordingtothelateststatistics,Beijing'spatentstockinartificialintelligenceranksfirstintheworld.Every10,000peopleinBeijingholdanaverageof218.3inventionpatents,rankingfirstinChina."BeijingandotherAsiancitiesarerapidlyrisinginthefieldofscience,technologyandinnovation,"saidZengRong,vicepresidentofTsinghuaUniversity."Thereisagreaterneedforthemtoplayanimportantroleininternationalcooperationinthefield."Editor:DisclaimerTheviewsandopinionsexpressedinthisarticlearethoseoftheauthor's,GMW.cnmakesnorepresentationsastoaccuracy,suitability,orvalidityofanyinformationonthissiteandwillnotbeliableforanyerrors,omissions,ordelaysinthisinformation.