【单选题】条件子句WHERE 工资>ALL(SELECT 工资 FROM 职工 WHERE 部门号=1)的含义为( )。
【简答题】三菱工业机器人编程过程中的圆弧运动指令是________。
【判断题】过冷度就是金属的实际结晶温度(Tn)与理论结晶温度(Tm)之差,即 T=Tm-Tn。过冷度越大,实际结晶温度越低。( )
【判断题】过冷度是金属实际结晶温度与理论结晶温度的差值。
【单选题】The fuel tank has a___________of 30 liters.
【单选题】Your vessel has run aground and upon taking fuel oil tank soundings, you find that a fuel tank level has increasedYou therefore should suspect ().
A.
condensation in the fuel tank
B.
a crack in the hull portion of the fuel tank
D.
contamination from the saltwater flushing system
【判断题】MoveC圆弧运动指令是将机器人TCP 沿直线运动至给定目标点 。( )
【简答题】按所给的中文或意思写词: The fuel tank has a _________ ( 容量 ) of 40 liters.
【简答题】圆弧运动指令是机器以圆弧移动方式运动至目标点,( )个点决定一段圆弧,第一点是圆弧的( ),第二点用于圆弧的( ),第三点是圆弧的( )。