题目内容：
Robots1Themostsophisticated（先进的）Japaneserobots,whichhavevisionsystemsandworkatveryhighspeeds,arestillbasedonAmericandesigns.Studiesofrobots,particularlycomputercontrolsoftware,areconsideredtobegenerallylessadvancedinJapanthaninAmericaorEurope.
2Althoughindustrialrobotswereoriginallydevelopedasdevicesforsimplyhandlingobjects,todaytheircommonestusesareformoreskilledworklikewelding（焊接）,spray-paintingandassemblingcomponents.
3InBritain,robotsalesappropriatelypeakedin1984,buthavebeendecliningeversince.ThisispartlybecauseBritishwageratesaretoolowtomakerobotsfinanciallyattractiveandpartlybecauseengineersnowhavemoreexperiencewithrobotsandaremoreawareofthedifficultiesofintroducingthemeffectively.4Ithasbeencalculatedthatarobotusesonaverageabout100timesmoreenergythanahumantodoanequivalentjob.5Itisestimatedthat20%ofallcomicbookheroesinJapanarerobots.ThisisanenormousnumberbecausecomicsaresopopularthattheymakeupathirdofallmaterialpublishedinJapan.6ThereliabilityofrobotsismeasuredintheirM.T.B.F.ormeantimebetweenfailures.Thishasrisenfromabout250hoursinthemid-1970stoabout10,000hourstoday（equivalenttoworking18hoursadayfortwoyears.）Onewayrobotmanufacturershaveincreasedreliabilityistotesteverysinglecomponenttheybuy,insteadofthenormalprocedureofjusttestingasmallsample.7ThebiggestsinglebenefitofintroducingrobotsclaimedbyJapanesecompaniesisthattheyincrease
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