theories background
BeDict Logo

theories

/ˈθiːəɹiz/

Meanings
noun

理论，学说

A description of an event or system that is considered to be accurate.

Examples :

"Scientists develop theories to explain how the universe works. "
科学家们建立理论来解释宇宙的运作方式。
theory science philosophy system logic
noun

理论，学说。

A coherent statement or set of ideas that explains observed facts or phenomena and correctly predicts new facts or phenomena not previously observed, or which sets out the laws and principles of something known or observed; a hypothesis confirmed by observation, experiment etc.

Examples :

"Scientists develop theories to explain how the universe works. "
科学家们发展理论来解释宇宙的运作方式。
theory science philosophy statement logic
noun

理论，学说

A set of axioms together with all statements derivable from them; or, a set of statements which are deductively closed. Equivalently, a formal language plus a set of axioms (from which can then be derived theorems). The statements may be required to all be bound (i.e., to have no free variables).

Examples :

"A theory is consistent if it has a model."
如果一个理论存在模型，那么它就是自洽的理论。（这里“理论”指的是一套有特定规则和假设，并且内部逻辑一致的体系。）
theory science philosophy logic statement

Related Words

Illustration photography

photography noun

/fəˈtɒɡɹəfi/ /fəˈtɑɡɹəfi/

摄影，照相。

"My son's photography class is learning about different types of film and digital cameras. "

我儿子的摄影课正在学习不同类型的胶卷相机和数码相机。

Illustration considered

considered verb

/kənˈsɪdəd/ /kənˈsɪdɚd/

考虑， 细想

"Consider that we’ve had three major events and the year has hardly begun."

考虑到我们已经举办了三场大型活动，而今年才刚刚开始呢。

Illustration scientists

scientists noun

/ˈsaɪəntɪsts/

科学家，科研人员。

"Scientists study plants to understand how they grow. "

科学家研究植物，从而了解它们的生长方式。

Illustration experience

experience noun

/ɪkˈspɪə.ɹɪəns/ /ɪkˈspɪɹ.i.əns/

经验, 阅历

"It was an experience he would not soon forget."

那是一段他永远难忘的经历。

Illustration exhaustively

exhaustively adverb

/ɛɡˈzɔː.stɪv.li/ /ɛɡˈzɑ.stɪv.li/

详尽地，全面地

"The detective investigated the theft exhaustively, reviewing every security camera footage and interviewing all the employees. "

侦探详尽地调查了这起盗窃案，查看了每一段监控录像并询问了所有员工。

Illustration observation

observation noun

/ˌɒbzəˈveɪʃ(ə)n/ /-ˈveɪʃn̩/

观察，观测。

"The teacher's observation of the student's progress showed that he was struggling with math. "

老师观察学生的学习进度后发现，他在数学方面遇到了困难。

Illustration description

description noun

/dɪˈskɹɪpʃən/

描述，描写，叙述

"The teacher's description of the new math concept helped the students understand it better. "

老师对新数学概念的描述让学生们更容易理解了。

Illustration conception

conception noun

/kənˈsɛpʃən/

怀孕，受孕

"The conception of the new project took several brainstorming sessions. "

这个新项目的构思，花了我们好几次头脑风暴会议的时间。

Illustration contemplation

contemplation noun

/ˌkɒntəmˈpleɪʃən/ /ˌkɑntəmˈpleɪʃən/

沉思，冥想。

"After a long day at work, she found peace in quiet contemplation, reflecting on her achievements and challenges. "

漫长的一天工作之后，她在安静的沉思中找到了平静，反思着自己的成就和挑战。

Illustration reflection

reflection noun

/ɹɪˈflɛkʃən/

反映，反射，倒影

"The reflection in the window showed the changing colors of the sunset. "

窗户上的倒影映出了日落时变幻的色彩。

Illustration consideration

consideration noun

/kənˌsɪdəˈɹeɪʃən/

考虑，顾虑.

"After much consideration, I have decided to stay."

经过多方考虑，我决定留下来。

Illustration previously

previously adverb

/ˈpɹiːvi.əsli/ /ˈpɹivi.əsli/

事先，预先

"Previously, I had planned to study for the math test on Saturday. "

事先，我计划星期六复习数学考试。