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[单选题]
固体半导体摄像机的感光部分是（）
A
光电转换与放大元件b.电荷耦合器件c.热电元件d.光导摄像管
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参考答案
试题答案：
B
答案解释：
电荷耦合器件就是CCD，它是一种MOS型晶体管开关集成电路。
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以下对仪器放大器的说法错误的是（）
测量范围大的电容式位移传感器的类型为
对于加速度传感器，希望其固有频率（）
已知函数x()的傅里叶变换为X (f), 则函数y()=2x(3t的傅里叶变换为
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把电阻R和电容C串联，再并联到电源开关两端所构成的RC吸收电路，其作用为（）（2010年第9题）
热电偶传感器通常利用电桥不平衡原理进行补偿，其作用为（）
传感器的过载能力是指传感器在不致引起规定性能指标永久改变的条件下，允许超过_____的能力。
说明薄膜热电偶式温度传感器的主要特点。
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1.
______ was generally considered the transitional period between the Middle Ages modern times, covering the years c.1350-c.1650.A.The ReformationB.The RenaissanceC.The RestorationD.The Glorious Revolution
2.
8．以下不属于弗洛伊德的人格理论三个层次的是
3.
第23题答案是（ ） 查看材料
4.
23. It was the tail end of the depression, and things were tough. Mum had a hard time raising us kids on her own in our small community of New Westminster, BC. My Dad had drowned in PittLake, five years earlier. Because Dad had no pension, or benefits, there was not much money so we went on relief. Christmas was approaching, and we were entitled to a twenty-five dollar Christmas fund for social services. The Inspector came to our house, and searched it from top to bottom to be sure we didn’t have any food hidden away. When he didn't find any, he issued the cheque for Mum. It was four days before Christmas, and Mum said that instead of buying food, she would use the money to pay back rent, assuring us all of a roof over our heads for a little while longer. She told us then there would be nothing for Christmas. Unknown to Mum, I had been selling Christmas trees, shoveling snow, and doing odd jobs to earn enough money to buy a new pair of boots. My mind was made up and I realized what I had to do. Across the street from the bus stop was a big grocery store called the Piggly Wiggley. Into the store I went, brimming with happiness and excitement. I realized that the twenty-five dollars I had worked so hard for went a long way for groceries. I bought a turkey, ham, oranges and all the Christmas treats. I spent every dime of my hard-earned money. I quietly unloaded the groceries on the porch and piled them against the door, then I knocked on the door. I could hardly wait to see my mother's face! When Mum opened the door, some of the groceries fell inside onto the floor, and she just stood there dumbfounded. Holding back the tears, I hollered, “Merry Christmas Mother!! There really is a Santa Claus!”(10分)23.1 What happened to my father?(2分)A. He deserted us five years ago.B. He left Pitt Lake five years ago.C. He left Pitt Lake five years ago. D. He divorced my mother five years ago.
5.
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