theory

英['θiəri]美['θi:əri]

n.[C]
1.理论；学理，原理
2.学说；论说；论，说
3.意见，看法；推测，揣度
4.【数】论，理论

复　数：theories

同：	[n.] hypothesis, possibility

1. Portfolio Theory
1.投资组合概念收藏
The more recent research on differential equations is concerned with the qualitative theory
对微分方程更近代的研究是关于定性理论。收藏
The theory of elastic stability is conspicuously absent from many books on the theory of elasticity
很多弹性理论书显然没有把弹性稳定性理论写进去。收藏
He reasoned out the conclusion according to the theory
他根据这个理论作出了结论。收藏
This confusion about humanism and the theory of alienation is a very serious problem among people working in the ideological sphere.
人道主义和异化论，是目前思想界比较突出的问题。收藏

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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
- theories can incorporate facts and laws and tested hypotheses
- 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] hypothesis, possibility, theory

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