问题
名词解释
霍尔电势
答案
参考答案：
由霍尔效应在金属或半导体薄片两侧，产生的电位差，即称作霍尔电势。
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霍尔电势
参考答案：
由霍尔效应在金属或半导体薄片两侧，产生的电位差，即称作霍尔电势。
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| One Friday night, a poor young man stood at the train station. He played his violin and many people put 1 into the hat in front of him. The next day, the young man came to the station 2 . But this time he took out a large piece of paper 3 some words on it. It said"Last night a lady 4 Mrs Sang put an important thing into my hat 5 . Please come for it." After about an hour, a middle-aged woman ran to the young man in a hurry and said, "You do come here. I know that you're a(n) 6 man and will certainly come here." They had a talk and the young man made sure she was the owner. Then he took out a lottery ticket and 7 it to the woman. Her husband bought a lottery ticket every day. Yesterday when she knew the lottery ticket he bought won, she was very 8 . The prize of the lottery ticket was $ 500,000. When she walked past the young man, she took out $50 and put it in the hat. 9 , the lottery ticket was also thrown in. Later, someone asked the young man, "You play the violin every day to make money. Why didn't you just take the prize of the lottery ticket for yourself?" the young man said, "Although I don't have much money, I live happily. But if I 10 honesty, I won't be happy forever." | |||
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