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【单选题】
采用峰值吸收系数的方法来代替测量积分吸收的方法必须满足的条件()
A.
发射线轮廓小于吸收线轮廓
B.
发射线轮廓大于吸收线轮廓
C.
发射线轮廓小于吸收线轮廓且发射线的中心频率与吸收线中心频率重合
D.
发射线的中心频率小于吸收线中心频率
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A.
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B.
. 单工
C.
半双工
D.
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A.
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B.
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his father's advice helped him to decide which job to take up
B.
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C.
he learned much from his shared experience with his team members
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an advice
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A.
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B.
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D.
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A.
正确
B.
错误
【单选题】It can be concluded from the text that ______.
A.
his father's advice helped him to decide which job to take up
B.
working in the sports team was his most important experience
C.
he learnt much from his shared experience with his team members
D.
his experience as a baggage boy had a great influence on his later life
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