【判断题】数控铣加工中取消刀具长度补偿指令为G44.
【单选题】取消刀具长度补偿指令使用的代码是( )。
【单选题】---Sam becomes the top student because he is very clever. ---_______. Without the help of his hardworking teachers, he can’t make it at all.
【单选题】均数与标准差之间的关系是 () A 标准差越大,均数代表性越大 B 标准差越小,均数代表性越小 C 均数越大,标准差越小 D 均数越大,标准差越大 E 标准差越小,均数代表性越大
【单选题】—I will thank Mr. Wang. I couldn’t pass the last exam _______ his help. —You’re right.