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When was the first commercial AR application appeared?A.In 2004.B.In 2008.C.In 2010.D.I..
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What is Google accused of?A.It is accused of female rightsB.It is accused of various An..
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挖掘机在斜坡上作业时,要使用()将挖掘机拖住。A.牵引机械B......
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Which of the following statement is not true about Kenneth Thompson?A.He also invented t..
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数据库系统中的三级模式以及模式间的映像提供了数据的独立性.....
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安全应急管理规定,集团公司本着“集团公司统一协调、直属企.....
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