矿用信号转换器的电流型信号范围为（）
A、1～4mA或4～20mAB
暂无解析
计算9.6÷1.92时，要先把1.92的小数点向________移动________位，原式转化为________÷192
()1.Don'tbelateagain.A.Anewwatch.
()2.MayIhaveacupoftea?B.Me，too.
()3.Iliketheredfan.C.Isee.
()4.What'sthatonthedesk?D.Sure.
()5.Where'sDad?E.Perhapshe'sinthestudy.
()6.Shallwegotothezoobybike?F.It'sBob's，Ithink..
()7.Whosekiteisthis?G.Goodidea.
()8.CanIhavealookatyourdress?H.Yes.Hereyouare.
下列说法符合物理学史实的有（）
Theboysaresittingunderthetree.(对划线部分提问)
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23/5的分数单位是________，它有________个这样的分数单位.
