变压器一、二次绕组的连接方式连同一、二次线电压的相位关系总称为()。

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问题:

变压器一、二次绕组的连接方式连同一、二次线电压的相位关系总称为()。

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采掘工作面风量不足时,()。

A.必须停止工作

B.严禁装药、爆破

C.严禁使用电气设备

D.必须撤人

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Ladies and Gentlemen,
I am very honoured to have the opportunity to address such a distinguished audience of university presidents, vice-chancellors and accomplished scholars from around the world. I must congratulate theAssociation of University Presidents of China on its achievements since its establishment in 1997. [TONE]∥[TONE]
It is the first association of its kind, and it will be a p force for enhancing academic cooperationbetween Hong Kong and the mainland and between China and the world. I also applaud the Associationfor organising this meaningful event which draws together so many top brains from around the world. Thesynergy it generates will point the way for the development of the global tertiary education sector into thenext century. [TONE]∥[TONE]
Today, whilst innovation and technology are the driving force of the world and fuel its engine, it is thepeople that make the engines work. We wish to see in our younger generation an all-round developmentcovering ethics, intellect, physique, social skills and aesthetics. We wish to see in our younger generations theability to assimilate modern technology and ideas. [TONE]∥[TONE]
We wish to see in our younger generation creativity, critical thinking and a global outlook. We wishto see in our younger generation a strength of character, a spirit of enterprise, the desire for continuousimprovement and the versatility to cope with the changing needs of our community. And we wish to see inour younger generation a sense of responsibility towards one’s own family, one’s own community, one’s owncountry and indeed the world. [TONE]∥[TONE]
In Hong Kong we ply believe education enables us to cultivate these noble qualities in our nextgeneration. Education also creates and expands the pool of talents to maintain Hong Kong’s economicdevelopment and international competitiveness. That is why education is always one of our top priorities and continues to be the single biggest item of the Government’s budget, accounting for 19% of our total public recurrent expenditure. Despite the economic downturn, public expenditure on education will have about 8%growth in real terms in this fiscal year. [TONE]∥[TONE]
Our best universities are among the top ten in the region, and our best students are among the best in theworld. However, the success ofHong Kong lies in our flexibility to respond to changes and our determinationfor improvement. We have to inject new life into the whole education sector. To achieve this, we areundergoing major reforms in our education system, our examination system, our education regulators, ourschools, our teachers and, above all, our attitude towards education. [TONE]∥[TONE]
Education is a continuum. The inputs into the tertiary sector are the outputs from the school sector. Wehope that several years down the road, the tertiary sector is able to reap the benefits from our reforms in thebasic education sector which we are now embarking on. But universities cannot simply wait. They have toensure that their current outputs, that is, their graduates and their research work, meet the aspirations of thecommunity. [TONE]∥[TONE]

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当网络计划的计划工期等于计算工期时,则除()外,关键线路上的其余3个参数一定为零。

A.工作的自由时差

B.工作的持续时间

C.相邻两项工作之间的时间间隔

D.工作箭线上的波形线长度

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液力变矩器(FluidTorqueConverter)由泵轮、涡轮、导轮组成的液力元件。安装在(),以液压油(ATF)为工作介质。

A.手动变速箱

B.自动变速箱

C.无级变速箱

D.DSG变速箱

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含下列生物碱的中药酸水提取液,用氯仿萃取,可萃出的生物碱是

A.苦参碱
B.氧化苦参碱
C.秋水仙碱
D.麻黄碱
E.山莨菪碱

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