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 demonstration [`dɛmən'streʃən]   添加此单词到默认生词本
n. 示范, 实证

[医] 示教, 实物教授

[经] 商品宣传, 示范


  1. She gave us a demonstration of the machine to show how it worked.
    她给我们作示范，说明怎样操作这部机器。
  2. The police said over 100,000 people had taken part in the demonstration.
    警方说参加游行示威的人超过十万。
  3. Our showrooms, situated in the business center, offer admirable facilities for display and demonstration.
    我们的陈列室位于商业中心，可为商品陈列与示范操作提供非常有利的条件。


demonstration
[ noun ]
  1. a show or display; the act of presenting something to sight or view

    2. <noun.act>
    the presentation of new data
    he gave the customer a demonstration
  2. a show of military force or preparedness

    3. <noun.act>
    he confused the enemy with feints and demonstrations
  3. a public display of group feelings (usually of a political nature)

    4. <noun.act>
    there were violent demonstrations against the war
  4. proof by a process of argument or a series of proposition proving an asserted conclusion

    5. <noun.communication>
  5. a visual presentation showing how something works

    6. <noun.communication>
    the lecture was accompanied by dramatic demonstrations
    the lecturer shot off a pistol as a demonstration of the startle response


Demonstration \Dem`on*stra"tion\, n. [L. demonstratio: cf. F.
d['e]monstration.]
1. The act of demonstrating; an exhibition; proof;
especially, proof beyond the possibility of doubt;
indubitable evidence, to the senses or reason.

Those intervening ideas which serve to show the
agreement of any two others are called ``proofs;''
and where agreement or disagreement is by this means
plainly and clearly perceived, it is called
demonstration. --Locke.

2. An expression, as of the feelings, by outward signs; a
manifestation; a show. See also sense 7 for a more
specific related meaning.
[1913 Webster +PJC]

Did your letters pierce the queen to any
demonstration of grief? --Shak.

Loyal demonstrations toward the prince. --Prescott.

3. (Anat.) The exhibition and explanation of a dissection or
other anatomical preparation.

4. (Mil.) a decisive exhibition of force, or a movement
indicating an attack.

5. (Logic) The act of proving by the syllogistic process, or
the proof itself.

6. (Math.) A course of reasoning showing that a certain
result is a necessary consequence of assumed premises; --
these premises being definitions, axioms, and previously
established propositions.

7. a public gathering of people to express some sentiment or
feelings by explicit means, such as picketing, parading,
carrying signs or shouting, usually in favor of or opposed
to some action of government or of a business.
[PJC]

8. the act of showing how a certain device, machine or
product operates, or how a procedure is performed; --
usually done for the purpose of inducing prospective
customers to buy a product; as, a demonstration of the
simple operation of a microwave oven.
[PJC]

{Direct demonstration}, or {Positive demonstration}, (Logic &
Math.), one in which the correct conclusion is the
immediate sequence of reasoning from axiomatic or
established premises; -- opposed to

{Indirect demonstration}, or {Negative demonstration} (called
also {reductio ad absurdum}), in which the correct
conclusion is an inference from the demonstration that any
other hypothesis must be incorrect.

  1. Starting late next year, it aims to set up a demonstration of interactive multimedia and by early 1995 to create an interactive multimedia service available throughout the US.
  2. Monday night's rally was the largest unofficial demonstration in Hungary since an anti-Soviet uprising was crushed in 1956.
  3. In the first place, the protesters were demonstrating at a public function for which they received the proper political authorization; the march and demonstration that followed corresponded to the precise requirements of the Sandinista authorities.
  4. Reagan's final words, "God bless America," touched off a tumultuous demonstration on the floor, which erupted in even greater cheering as he was joined on the podium by the first lady.
  5. It is present at these Olympics as a demonstration sport, whose medals don't figure in any official reckonings.
  6. Saudi security officials said 402 people were killed in a stampede after an Iranian political demonstration in Mecca turned violent.
  7. We need new trains, more staff and longer platforms," Neil Milligan, general secretary of the Associated Society of Locomotive Engineers and Firemen, said at the Euston demonstration.
  8. Munteanu was one of the leaders of the 53-day University Square demonstration.
  9. The marchers represented a group of independent unions headed for the main plaza, or Zocalo, as a larger demonstration by pro-government unions was dispersing.
  10. McCurdy and other original sponsors hope the final version will include a provision in the Senate's bill, a $35 million demonstration program that will test their idea for linking national youth service with financial aid incentives.
  11. Buddhist monks in Mandalay and other Burmese cities began a boycott of the army after soldiers put down a pro-democracy demonstration there on Aug. 8, reportedly killing four people, including two monks.
  12. East German police used clubs and a water cannon to break up a demonstration Sunday by several hundred human rights activists in downtown Leipzig, witnesses said.
  13. More than 2,500 police officers and National Guard soldiers lined streets near the slain civil-rights leader's tomb Saturday during a demonstration by four white supremacists led by Richard Barrett of Mississippi.
  14. The justices are being urged by prosecutors to reinstate a one-year jail sentence and $2,000 fine against a man accused of burning an American flag at a demonstration in Dallas during the 1984 Republican National Convention.
  15. Students at Peking University hung posters calling for another pro-democracy demonstration Thursday in the capital's central Tiananmen Square.
  16. About 50 people participated in the demonstration.
  17. Witnesses said she encountered soldiers trying to disperse a demonstration as she walked home from school and that she panicked and ran.
  18. At the Shishinden Palace in Kyoto, Mr. Bush was invited to watch a demonstration of an eighth-century court game called Kemari that involves intricate kicking around of a horsehair football.
  19. The occupation, which began Saturday during a demonstration by hundreds of Aoun supporters, is backed by Lebanon's Christian ambassador to France, Johnny Abdo, an embassy spokesman said.
  20. A Vietnamese diplomat left Britain Sunday, expelled for brandishing a handgun during a demonstration earlier this month by refugees outside the Vietnamese Embassy.
  21. Reporters and witnesses saw at least 30 protesters being detained during the demonstration Thursday.
  22. Take highway "demonstration" projects, ostensibly funded by Washington because they showcase new roadbuilding methods; in fact they usually demonstrate nothing more than a Congressman's ability to bring home some pork.
  23. The annual revision of the armed forces high command this month gave Aylwin the opportunity for a clear demonstration of his political authority.
  24. The group marched around the courthouse, heard two speeches, marched once more around the square and returned to their cars about a half hour after the demonstration began.
  25. Soviet officials are conducting an investigation to determine whether security forces who broke up the demonstration in Tbilisi killed people by beating them with shovels they had been issued to dig trenches.
  26. About a dozen protesters demanding freedom for three Estonian political prisoners had gathered more than 6,000 signatures by Tuesday during a five-day demonstration in Tallinn, Estonia.
  27. His actions this weekend were demonstration of real strength."
  28. It accused them of "criminal acts against the Nicaraguan people." According to the government, the eight were fomenting dissent and helped organize a large anti-government demonstration last Sunday that ended in violence.
  29. It was the wrong audience to do this in front of," Tom Illgen, the opera's marketing director, said after Friday night's demonstration.
  30. The orders came a day after police violently broke up a demonstration by opposition groups.
demonstration
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Demonte
demophil
demophile
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demophobic
Demora
demoralise
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demoralization
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DeMorgan
DeMorgan's law
DeMorgan's theorem
demorphinization
demorphism
demorphismus
demos
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