【单选题】Is she reading a book?
【判断题】【(2)2】一个条形支撑板可以消除2个自由度;一个矩形支撑板可以消除3个自由度。
【判断题】不合格数图C-CHART属于计量型管制图。( )
【简答题】A.He knew this beforehand. B.He judged from his common sense. C.He judged from the speeds of sound D.He judged by reading the textbook.
【多选题】思想的活的灵魂,它们有三个基本方面,即 。
【判断题】【(2)2】一个条形支撑板可以消除3个自由度。
【多选题】思想的活的灵魂,它们有三个基本方面,即 。
【简答题】A.He knew this beforehand. B.He judged from his common sense. C.He judged from the speeds of sound D.He judged by reading the textbook.