The photon of the stimulated emission of atoms is similar to that of the incoming photon i
A、①②③④
B、①③④⑤
C、①②③
D、③④⑤
A、①②③④
B、①③④⑤
C、①②③
D、③④⑤
A、peoples
B、countries
C、cultures
D、individuals
The(8)had been the finance director of a very large computer hardware manufacturer. His wife, a timid woman,(9)everything she knew with the detective, including a hot(10)her husband had with some of the company's top executives at a banquet. There had been a scandal(11)bribery at his company. He was(12)the business of many of the top executives. He had(13)that some people were giving special favors to government officials to get(14). He often questioned their moral(15)and told them that he would accuse them if they were doing something they shouldn't,(16)caused problems for him. His questioning and accusing often left him at(17)with many of the executives. This time it had led to a(18)blow on his head. The detective caught(19)of a crucial clue, a brass button in the corner. It was from a jacket of one of the top executives. Later this executive and the company's president was(20). Of course this is not the end of the story.
A、increase by $100.
B、increase by more than $100.
C、decrease by $100.
D、decrease by more than $100.
A、a pn junction with Eg1= Eg2=0
B、a pn junction with Eg1= Eg2=0.9 eV
C、a pp junction with Eg1=0.7 eV and Eg2=0.9 eV
D、a pn junction with Eg1= Eg2=1.1 eV
为了保护您的账号安全,请在“简答题”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!