工艺能力反映的是设备是否具备完成零件加工要求的能力。
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如果零件加工后经测量,其尺寸分布符合正态分布,则说明没有随机误差的影响。
A. 对
B. 错
点图法主要用来评估工艺系统运行的稳定性。
A. 对
B. 错
I don't really like to do ______ sports. I prefer to do sports when and where I want to.
A. some
B. any
C. team
D. easy
It is not very healthy to jog beseide a motorway because of the ______.
A. many accidents
B. bicycles
C. air pollution
D. other people