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名词解释题
Lamb波
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My ___ is for beef rather than lamb.
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Which of the following writers is a novelist of the 20th century？ A.John Keats
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从信号强度来看，（）的信号强度最强；（）和（）的信号强度相当；（）的信号强度最弱。以下正确的选项是。（）A、直射波；反射波、绕射波；散射波B、反射波；直射波、绕射波；散射波C、直射波；反射波、散射波；绕射波D、反射波；直射波、散射波；绕射波
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单选题通常，根据传播方向上有无电场分量或磁场分量，可将光（电磁波）的传播形态分成（）A
TEM波，TE波，EH波B
TEM波，TE波，HE波C
TEM波，TE波，TM波D
TE波，TM波，EH波
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考题
单选题下列各波段对人体作用深度的规律是（ ）。A
分米波＞厘米波＞毫米波B
分米波＝厘米波＞毫米波C
分米波＝厘米波＝毫米波D
分米波＞厘米波＝毫米波E
分米波＜厘米波＜毫米波
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