判断题在高级语言编译程序常用的语法分析方法中,预测分析法属于自上而下的语法分析方法。()
未分类题( )是短期经营决策应考虑的因素。 A.生产经营能力 B.相关收入 C.相关业务量 D.相关成本
未分类题变频器常用的转矩补偿方法有:线性补偿、分段补偿和( )补偿。A.平方根B :平方率C.立方根D.立方率
未分类题变频器的基本频率是指输出电压达到( )值时输出的频率值。A.U NB.U N 2C.U N 3D.U N 4
未分类题That Microsofts three tasks are colliding is reflected in the fact that______.A.the new operating system will be marketed at a discountB.search will be removed from the new operating systemC.all search capabilities will be combined into the desktopD.images and data will be exchanged more directly