职称英语理工类辅导试题职称英语理工类辅导试题2017学习，使人目光变得远大,能够志存高远;学习，能让人的眼界开阔，丰富课余生活;学习，使人情操得到陶冶,梦想得以放飞。以下是小编为大家搜索整理的职称英语理工类辅导试题2017，希望对正在关注的您有所帮助!更多精彩内容请及时关注我们应届毕业生考试网!“Liquefaction”KeytoMuchofJapaneseEarthquakeDamageThemassivesubductionzone1earthquakeinJapancausedasignificantlevelofsoil"liquefaction"2thathassurprisedresearcherswithits1severity,anewanalysisshows."We'veseenlocalized3examplesofsoilliquefactionasextremeasthisbefore,butthedistanceand2ofdamageinJapanwereunusuallysevere,"saidScottAshford,aprofessorofgeotechnicalengineering4atOregonStateUniversity5."Entirestructuresweretiltedandsinkingintothesediments,"Ashfordsaid."Theshiftsinsoildestroyedwater,drainandgaspipelines6,cripplingtheutilitiesandinfrastructurethesecommunitiesneedto3.Wesawsomeplacesthatsankasmuchasfourfeet."Somedegreeofsoilliquefaction7iscommoninalmostanymajorearthquake.It'saphenomenoninwhichsoilssoakedwithwater,particularlyrecentsedimentsorsand,canlosemuchoftheir4andflowduringanearthquake.Thiscanallowstructurestoshiftorsinkor5.Butmostearthquakesaremuch6thantherecenteventinJapan,Ashfordsaid.ThelengthoftheJapaneseearthquake,asmuchasfiveminutes,mayforceresearcherstoreconsidertheextentofliquefactiondamagepossiblyoccurringinsituationssuchasthis8."Withsuchalong-lastingearthquake,wesaw7structuresthatmighthavebeenokayafter30secondsjustcontinuedtosinkandtiltastheshakingcontinuedforseveralmoreminutes,"hesaid."Anditwasclearthatyoungersediments,andespeciallyareasbuilton8filledground,aremuchmorevulnerable."ThedataprovidedbyanalyzingtheJapaneseearthquake,researcherssaid,shouldmakeitpossibletoimprovetheunderstandingofthissoil9andbetterprepareforitinthefuture.Ashfordsaiditwascriticalfortheteamtocollecttheinformationquickly,10damagewasremovedintherecoveryefforts9."There'snodoubtthatwe'lllearnthingsfromwhathappenedinJapan10that11willhelpustoreducerisksinothersimilar11,"Ashfordsaid."Futureconstructioninsomeplacesmaymakem