题目内容

程序控制属于断续控制,适用于按事先安排好的()分段实行逐次控制场所。

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Which of the following commands should be run to verify that file system /data is not corrupted?()

A. fsck /dta
B. fsck datavg
C. lqueryvg datavg
D. stat /data

密封线使用的保护薄膜黏度过高出现掉胶的现象,可能会给中涂造成()缺陷

A. 光泽不良、流挂;
B. 缩孔、颗粒;
C. 缩孔、流挂;
D. 光泽不良、颗粒

量化是将PAM信号在()上离散化。

I saw that she was in difficulty with all those parcels, so I offered my()

A. service
B. money
C. use
D. chance

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