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【判断题】
人工光源分为热辐射光源,气体放电光源两大类。( )A.
正确
B.
错误
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举一反三
【简答题】“苏门四学士”是指( )，( )，( )，( )。
【简答题】Explain what questions managers need to ask first to begin the strategic management process.
【多选题】设离散系统的方框图如下图所示，设采样周期T=0.1s，【图片】。符合系统描述的有（ ）【图片】
A.
系统的闭环脉冲传递函数
B.
系统的闭环脉冲传递函数
C.
系统稳定
D.
系统稳定
【多选题】Why managers need to monitor and evaluate the resources used in an organisation?
A.
accountability
B.
early warning system
C.
improving performance
D.
decresing profits
【简答题】采样系统方框图如图7-15所示。 图中T=1s。试求闭环系统的脉冲传递函数 ，并计算系统在r(t)=2.1(t)时的稳态误差 。
【简答题】“苏门四学士”与()和()，合称“苏门六君子”。
【单选题】Which trend do most managers need to get used to in the coming years?
A.
Most workers will be hired as permanent employees at a lower pay scale than they were in the past.
B.
Many workers will be hired as consultants rather than as freelance employees.
C.
Most workers will be hired as permanent employees rather than on a freelance basis.
D.
Many workers will be hired on a freelance basis rather than as permanent employees.
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