ö¥¼ó¸ç(chicago)
ãà¹úòáàûåµöý¶«±±²¿³çêð¡£î»ì¶ãüî÷¸ùºþî÷äﲿ¼â¶ë£¬óðö¥¼ó¸çºóá÷¾£¬¸û¿úé豸¹ã´ó¡£1673äê·¨¹úì½ïõõß·¢ïöáëò»ìõó¡µú°²èëë®â·°áôëïߣ¬¸ã°áôëïß×ôò»ìõºóá÷èëãüî÷¸ùºþ¡¢ö±´ïãüî÷î÷±èºóá÷óò¡£1803ä꽨ôìµäµú²¨¶÷±¤ôú1812äêò»´îó¡µú°²èëï®»÷öð±»»ù¡£1848äê᪽ó´óºþçøºíãüî÷î÷±èºóïµí³µäòáàûåµ-ãüî÷¸ùôëºó¿¢¹¤£¬êµïöáëö¥¼ó¸ç×÷îªë®ôëí¨µàµäç±ôúµøàíóåê棬µ½1856äêö¥¼ó¸çòñ³éîªè«¹úö÷òªµäìúâ·öððä¡£1871äêö¥¼ó¸ç£¨°üà¨éìòµçø£©±»´ó»ð·ù»ù£¬1893äêêà½ç¸çâ×±èñ粩àà»áôú´ë¾ù°ì¡£19êà¼íä©õâàïêç¸öìú½á¹¹ä¦ìì´ó⥵䵮éúµø£¬¶àóé½ü³öµä½¨öþê¦éè¼æ£¬èçé³àûîä¡¢à³ìøºíãüë¹.·¶.µâ.âþ¶ò¡£1942äêö¥¼ó¸ç´óñ§µäºë×ó¿æñ§¼òµúò»´îôú´ë½øðð×ôðøá´ê½ºë·´ó¦¡£µú¶þ´îêà½ç´óõ½áᣬ¸ãêðàú¾áíò»²¨½¨öþ·ç³±£¬µ«¾íèçæäëû´ó³çêðò»ñù£¬èë¿úöð½¥¼õéù£¬¶ø½¼çøèë¿ú³é³¤¡£ïöîªãà¹úµúèý´ó³çêð£¬îªö÷òªµä¹¤òµ¡¢éìòµºíôëêäöðð䣬ò²êçö¥¼ó¸çéìæ·½»ò×ëùºíö¥¼ó¸çéìòµ½»ò×ëùµäëùôúµø¡£êðäúóð¼¸ëù²©îï¹ýºíö¥¼ó¸çãàêõ¹ý¡£èë¿ú©uêðô¼2,802,079£¨1998£©£»¶¼»áçøô¼7,541,468£¨1992£©¡£
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chicago
city(pop.,1996:2,722,000),northeasternillinois.locatedonlakemichigan,withthechicagoriverflowingthroughit,chicagohasextensiveportfacilities.inthe17thcenturythenamewasassociatedwithaportagebetweenthedesplainesandchicagoriversconnectingthest.lawrenceriverandthegreatlakeswiththemississippiriver.fortdearbornwasbuiltin1803onatractacquiredfromindians.itexpandedrapidlyafterthecompletionoftheillinoisandmichigancanal(1848),whichconnectedthechicagoandmississippirivers,andalsobecamethenation'schiefrailcenter.rebuiltquicklyafterahugelydestructivefirein1871,itwasthesiteoftheworld'scolumbianexpositionin1893.itwasthebirthplaceofthesteel-frameskyscraperinthelate19thcentury,anditboastsdesignsbyeminentarchitects,includinglouissullivan,franklloydwright,andludwigmiesvanderrohe.nuclearscientistsproducedthefirstnuclearchainreactionattheuniversityofchicagoin1942.afterworldwariithecityunderwentanotherbuildingboom,butasinotherlargecitiesitspopulationsubsequentlydroppedasitssuburbsgrew.the3dlargestu.s.city,itisamajorindustrial,commercial,andtransportationcenterandisthesiteofthechicagomercantileexchangeandthechicagoboardoftrade.severalmuseumsandtheartinstituteofchicagoarelocatedthere.
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