singtechnology;•notpresentlyprofitableintermsofreturnofinvestment(ROI),butwhichoffergreatpromiseforthefuture;and•positionedatthebeginningofthedevelopmentcycleandnotyetwidelyusedwithrespecttotheirpotential.Theterm“advancedceramics”referstoceramicmaterialsthatare:byVAMAS(VersaillesProjectonAdvancedMaterialsandStandards;EarlyandRook,2004),mitteeC-28onAdvancedCeramics,andtheUSACA(UnitedStatesAdvancedCeramicsAssociation)掌握词汇:biological[,baɪə‘lɑdʒɪkl]生物的,environmental环境的,extremeconditions极端条件,radiation[,redɪ’eʃən]辐射,anic[‘ɪnɔr’gænɪk]–nonmetallic无机非金属,failure[‘feljɚ]mechanisms[’mɛkənɪzəmz]失效机理,manufacturing制备,sophisticated[sə‘fɪstɪketɪd]processingtechnology精细加工技术,developmentcycle研发周期,potential[pə’tɛnʃl]潜力、潜能;电势掌握词汇:toughness['tʌfnɪs]韧性,flexibility [,flɛksə'bɪləti]柔韧性,impact[ɪm'pækt]resistance抗冲击性
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