Function concept is the core of high school mathematical teaching knowledge.

函数概念是中学数学中的核心概念。

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However, because of the complexity of function concept, it is very difficult to teach it.

然而由于函数概念复杂性，使得函数的教学也十分困难。

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Ordinary differential equation with constant coefficients transform into algebraic equations that can be used to implement the transfer function concept.

常系数的常微分方程变换为代数方程可以用于实现传递函数的概念。

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Of course, we will also be talking about behavioral finance in this course and we'll, at times, be saying that the utility function concept isn't always right-- the idea that people are actually maximizing expected utility might not be entirely accurate.

当然 我们还会,在这门课上讨论行为金融学,并且,我们会间或,讨论到效用函数不总是正确的,人们希望最大化期望效用的观点,也许并不是完全准确的

耶鲁公开课 - 金融市场课程节选

The Youngstown facility will serve Ohio, Pennsylvania, and West Virginia and is designed to function as a proof-of-concept for an eventual network of 15 manufacturing innovation institutes around the country.

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The concept of keeping donor organs at body temperature and preserving their function is also being tested in heart and lung transplants.

BBC: 'Warmed liver' transplant first