theorem

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So, what does the divergence theorem say?
那么散度定理究竟讲的是什么？
Why is this not like conceptually a new theorem?
为什么这个看上去不是一个新的定理呢？
To get an accurate sample of an event that takes, for example, 20 seconds, samples must be measured every 10 seconds according to the Nyquist theorem.
例如，根据奈奎斯原理，为了得到发生时间为 20 秒的事件的准确样本，那么必须每 10 秒进行一次抽样。

First of all, it's clear from the Pythagoras' theorem that a is the square root of ^2 + ^2.
首先,根据毕达哥拉斯定理,勾股定理在西方被称为"毕达哥拉斯定理"
耶鲁公开课 - 基础物理课程节选
So they--in other words, the insurance company--doesn't trust the insurance companies to do the calculations like I showed with the binomial theorem.
因此他们...也就是说,他们不放心让保险公司按照二项式定理,自己计算准备金要求
耶鲁公开课 - 金融市场课程节选
So there are examples in American History of elections that seem to in which the Median Voter Theorem seems to do well.
因此从美国历史上的选举案例里看,中位数选民定理非常奏效
耶鲁公开课 - 博弈论课程节选

Proofs like Wiles brilliant solution of the famous Fermat Last Theorem are long and difficult.
FORBES: A Beautiful Sausage

(especially in mathematics) a formal statement that can be shown to be true by logic

A theorem is a statement in mathematics or logic that can be proved to be true by reasoning.

定理
By analyzing relationship of the two sets, a theorem is given.
通过分析这两种集的关系,提出了相关定理。
经济学
定理
This is the famous“Marx Theorem”.
这就是著名的“马克思定理”。
医药科学
理论
Although the background theorem and clinic investigation of gastric cancer has gained more achievement, advanced gastric cancer will develop metastasis early after operation, 5-year survival rate of patients with gastric cancer is still poor.
虽有关胃癌的基础理论和临床研究均取得了一定成果，但是由于进展期胃癌术后易复发和转移，5年生存率较低。
纺织科学技术
刻板印花图画