题目内容

工业用钢按化学成分分为()和()两大类。

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A system administrator has created tty2 on a serial port connection to a system. When attempting to verify the connection the following error is observed: # cu -ml tty2 cu: 0835-028 The connection failed. NO DEVICES AVAILABLE. Which of the following should be performed to correct this error?()

A. Create an entry for tty2 in the /etc/uucp/Devices file
B. Re-enter the command as "cu -dml tty2"
Create an entry for tty2 in the /etc/uucp/Systems file
D. Re-enter the command as "cu -s 9600 -dh -t -l tty2"

管理协调的原则是什么?

给1―3岁的婴儿喂药如果是片剂()。

A. 可直接喂药
B. 直接喂加一些糖
C. 可以用两个勺子将药片捣碎,加一些糖
D. 骗婴儿说这是糖果

下列不属于传感器的静态标定的内容的是()

A. 灵敏度
B. 线性度
C. 滞差
D. 幅值误差

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