theory
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n. 理论；原理；学说；推测
n.
学说；理论；原理；推测
变形
复数：theories
双语释义
n.(名词)[C]学说 a reasonable or scientifically acceptable explanation for a fact or event
[U]理论,原理 general principles and knowledge as opposed to practical methods or skills
[C]意见,看法 opinion or supposition, not necessarily based on reasoning
英英释义
theory[ 'θiəri, 'θi:ə- ]
n.
a well-substantiated explanation of some aspect of the natural world; an organized system of accepted knowledge that applies in a variety of circumstances to explain a specific set of phenomena
"true in fact and theory"
a tentative theory about the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena
"a scientific hypothesis that survives experimental testing becomes a scientific theory"; "he proposed a fresh theory of alkalis that later was accepted in chemical practices"
同义词：hypothesispossibility
a belief that can guide behavior
"the architect has a theory that more is less"; "they killed him on the theory that dead men tell no tales"
词汇搭配
用作名词 (n.)
动词+～
accept theory接受理论
have a theory有一种说法
形容词+～
abstract〔crude〕 theory抽象〔不成熟〕的理论
介词+～
in theory在理论上
on the theory根据理论
～+介词
theory about writing写作理论
theory of gravitation万有引力学说
词组短语
in theory理论上
basic theory基本理论
control theory控制理论，控制论
game theory博弈论，对策论
system theory系统论
management theory管理理论
set theory集合论
economic theory经济理论；理论经济学
deng xiaoping theory邓小平理论
fuzzy theory模糊理论；含模理论
general theory一般理论；统一理论
learning theory学习理论；学习论
information theory信息论；情报理论
graph theory图论
field theory场论
reliability theory可靠性理论
probability theory概率论
political theory政治学理论
optimization theory最优化理论
wave theory[物]波动论；波动说
双语例句
用作名词(n.)
There're many theories about the origin of life.
关于生命起源的学说有很多。
In theory, anything could happen.
理论上来说,任何事情都会发生。
Not everyone can understand Einstein's Theory of Relativity.
不是每个人都能读懂爱因斯坦的相对论的。
In his book, he explained the operating theories of computer in detail.
在他的书中,他详细阐述了计算机的工作原理。
Mary is full of fascinating theories about men and women.
玛丽对男人和女人充满了迷人的想法。
She has a theory that drinking milk prevents cold.
她有一种说法,认为喝牛奶能防止感冒。
权威例句
The nature of statistical learning theoryComputers and Intractability: A Guide to the Theory of NP-Completeness
Computers and Intractability: A Guide to the Theory of NP-Completeness
The nature of statistical learning theory
Computers and Intractability: A Guide to the Theory of NP-Completeness
The Nature of Statistical Learning Theory
NATURE OF STATISTICAL LEARNING THEORY, THE
A Guide to the Theory of NP-Completeness
Computers and In stractability: A Guide to the Theory of NP-Completeness. W. H Freeman, San Fran
Theory of the firm: Managerial behavior, agency ...
theory
theory: [16] The etymological notion underlying theory is of ‘looking’; only secondarily did it develop via ‘contemplation’ to ‘mental conception’. It comes via late Latin theōria from Greek theōríā ‘contemplation, speculation, theory’. This was a derivative of theōrós ‘spectator’, which was formed from the base thea- (source also of theásthai ‘watch, look at’, from which English gets theatre).Also derived from theōrós was theōreín ‘look at’, which formed the basis of theórēma ‘speculation, intuition, theory’, acquired by English via late Latin theōrēma as theorem [16]. From the same source comes theoretical [17].=> theatre
theory (n.)
1590s, "conception, mental scheme," from Late Latin theoria (Jerome), from Greek theoria "contemplation, speculation; a looking at, viewing; a sight, show, spectacle, things looked at," from theorein "to consider, speculate, look at," from theoros "spectator," from thea "a view" (see theater) + horan "to see," possibly from PIE root *wer- (4) "to perceive" (see ward (n.)). Earlier in this sense was theorical (n.), late 15c. Sense of "principles or methods of a science or art" (rather than its practice) is first recorded 1610s (as in music theory, which is the science of musical composition, apart from practice or performance). Sense of "an intelligible explanation based on observation and reasoning" is from 1630s.
1. What are you basing this theory on?
你这种理论的根据是什么呢？
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2. But only his new theory could do that.
但只有他的新理论才能作出解释。 。
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3. However, I do not have any fears about this theory if the monopoles are not discovered.
然而，倘若真的没有发现磁单极子，我对这个理论也没有任何担心了。
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4. From the measured results, we either reject the theory or confirm it.
从这些标准的结果中，我们或者抛弃或者确认这些理论。
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5. He did some experiments to prove his theory.
他做了一些实验来证明他的理论。
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6. He enunciated his theory to his colleagues.
他向他的同事阐述他的理论。
《21世纪大英汉词典》
7. Your theory disaccords with my experience .
你的理论和我的经验不一致。
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8. His theory is all but correct.
他的理论几乎是正确的。
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9. This theory contradicts with the evidence.
这个理论兴证据相矛盾。
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10. We need to buttress the theory with solid argument.
我们要用有力的论据支持这个理论。
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11. State your hypothesis or theory, if any.
阐述你的假说或理论，如有的话。
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12. We consider it of no use learning theory without practice.
我们认为学习理论而不实践是无用的。
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13. Yet, for organizational scholars the worth of agency theory is not so obvious.
然而，对于组织学者代理理论的价值就不那么明显了。
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14. We must link up theory with practice.
我们必须把理论和实践联系起来。
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15. If his theory works, then at low energies it should look like general relativity.
如果他的理论正确，那么在低能量下它看起来像广义相对论。
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16. If my theory is wrong, a refutation is sufficient, and the one hundred zero is zero.
假如我的理论是错的，一个反驳就足够了，一百个零加起来还是零。
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17. So this is a complication in any stage theory.
这是所有阶段理论的一个复杂之处。 。
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18. The same is true of the theories of every other man, for a theory is only a guess, and you cannot guess or imagine the truth.
这同样也适用于其他任何人的理论，因为一种理论只能算是一种猜想，并且你不能猜想或想象事实的真相。
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19. In sum, theory should be combined with.
总之，理论应该与实践相结合。
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20. This course introduces the theory and technology of micro/ nano fabrication .
本课程介绍了微米／纳米制造的理论和技术。
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21. I often use examples from psycholinguistics in explaining my theory, for two reasons.
我经常使用心理语言学例子解释我的理论，有两个原因。
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22. As I see it, theory is being translated into practice at an ever increasing rate.
正如我见到的，理论正在被转变为实践，而且比率也不断递增。
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23. We learn through direct experience; to accept a theory without experiencing it is to learn nothing at all.
我们通过直接经验学习；没有通过实践而接受一个理论是学不到任何东西的。
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24. Theory and practice should be well combined, it makes a student a qualified learner.
理论和实践应该更好结合，这让一个学生成为合格的学习者。
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25. We led the commonwealth in practice as well as in theory .
我们不仅在理论上，而且在实际上领导着英联邦。
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26. But he afterwards arrived at a theory of history .
可是后来他提出了一种历史学说。
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27. Of my theory, the capital structure is key.
在我的学说里，资本结构是关键。
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28. Of my theory, the capital structure is key.
在我的学说里，资本结构是关键。
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theory
