多普勒速度谱宽表征着有效照射体内不同大小的多普勒速度偏离其平均值的程度,实际上是由于

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问题:

多普勒速度谱宽表征着有效照射体内不同大小的多普勒速度偏离其平均值的程度,实际上是由于散射粒子具有不同的()所引起的。

考点:民航飞行签派员考试航空气象航空气象题库
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一批货物要运进仓库,由甲、乙两队合运9小时可运进全部货物的50%,乙队单独运则要30小时才能运完,又知甲队每小时可运进3吨.则这批货物共有( )吨.

A.135

B.140

C.145

D.150

E.A、B、C、D均不正确

题型:填空题

E

The knowledge society will be a highly competitive one, for organizations and individuals alike, information technology, although only one of many new features of the next society, is already having one important effect: it is allowing knowledge to spread nearinstantly, and making it accessible to everyone. Given the ease and speed at which information travels, every institution in the knowledge society—not only businesses, but also schools, universities, hospitals and increasingly government agencies too—has to be globally competitive, even though most organizations will continue to be local in their activities and in their markets. This is because the Internet will keep customers everywhere informed of what is available anywhere in the world, and at what price.

This new knowledge economy will rely heavily on knowledge workers. At present, this term is widely used to describe people with considerable theoretical knowledge and learning, such as doctors, lawyers, teachers, accountants and chemical engineers. But the most striking growth will be in “knowledge technologists”: computer technicians, software designers, analysts in clinical labs, manufacturing technologists. These people are as much manual(体力) workers as they are knowledge workers; in fact, they usually spend far more time working with their hands than with their brains, but their manual work is based on a large amount of theoretical knowledge which can be acquired only through formal education, not through an apprenticeship(学徒期). They are not, as a rule, much better paid than traditional skilled workers, but they see themselves as “professionals”, just as unskilled manual workers in manufacturing were the dominant social and political force in the 21st century, knowledge technologists are likely to become the dominant social—and perhaps also political—force over the next decades.

67.The quick spread of knowledge in the next society______

A.is based on information technology

B.results from a highly competitive society

C.is likely to increase information flow

D.will become the biggest problem to handle

68.“Knowledge workers” mentioned in the passage most likely______.

A.work with hands rather than brains

B.have received primary and secondary education

C.have acquired theoretical knowledge through apprenticeship

D.have received higher education and acquired theoretical knowledge

69.The underlined word “dominant” in this passage probably means______.

A.most influential   B.most interesting    C.most diligent    D.most serious

70.The chief reason for fierce competition in the knowledge society is that______.

A.individuals are easily influenced by information

B.customers keep track of new products worldwide

C.anyone can have access to knowledge anytime and anywhere

D.local organizations such as universities and hospitals will be globalized

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方形物体有一个面与画面平行产生的透视现象叫()。

A、成角透视

B、平行透视

C、三点透视

D、二点透视

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具有支链的化合物A,含有C、H、O三种元素,相对分子质量为86,其中碳的质量分数为55.8%,氢的质量分 数为7.0%。A可以使溴水褪色,1molA可以与1molNaHCO3完全反应。则A的结构简式为 [ ]

A.CH3CH=CHCOO

B.

C.

D.

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您是今天收费班的一名代理班长,突然接到监控通知30分钟后将有一列车队驶来由该站下道。

请您描述处理该车队的工作标准流程。

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