题目内容

从汽油机速度特性曲线中分析可看出:将发动机转速控制有()左右时最少油。

A. 低速
B. 中速
C. 中速偏上
D. 高速

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A System p administrator is attempting to restore some files from a backup tape. The restore failed. The system administrator suspects the block size of the tape drive is incorrect. Which of the following commands can be used to determine the block size of the backup tape ()

A. dd
B. tar
C. cpio
D. restore

3G的数据传输速率是()。

A. 500kbps-700kbps
B. 1.4Mbps
C. 114kbps-2.4Mbps
D. 2.4M

简述测报准确率的计算方法。

铁路运送新老兵有哪几种方式?

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