【单选题】She felt sorry that she had disturbed the __________ calmness of a man she respected. [ ]
【判断题】望远镜视准轴指物镜光心与十字丝交点的连线。
【单选题】主轴转速功能表示机床主轴的转速大小,用地址S和其后的数字组成。下面描述错误的是( )
B.
恒转速控制用G97,指令格式为 G97 S ——
C.
恒转速控制用G96,编程格式:G96 S——
【单选题】She said she was sorry ________ the train, so she had to stay for another day.
【单选题】She says she is very sorry and realizes she ________ it.
【单选题】下列有关t分布及Z分布之叙述,何者错误?
【简答题】A.She is a clerk. B.She said sorry to the man. C.She agreed with the man at last. D.She is tough.
【单选题】下列有关 t 分布与z分布之叙述,何者 错误 ?