This article describes a method of predicting air temperature throughout the year in subterraneous tunnel by solving some equations in mathematical physics.

本文论述一种运用数学物理方程推算地下通道中全年自然气温的方法。

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Partial functional differential equations come from many mathematical models in physics, biology, engineering and other fields, which have strongly practical background.

偏泛函微分方程来源于物理学、生物学、工程学等学科领域中众多的数学模型，具有强烈的实际背景。

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Many mathematical models in the fields of physics, chemistry, biology and geology can be boiled down to the fixed solution problem of linear or nonlinear partial differential equations (PDE.)

物理、化学、生物、地质等领域的很多模型都可归结为线性或非线性偏微分方程的定解问题。

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Yau has been a professor at Harvard for 20 years, specializing in geometry, differential equations and mathematical physics.

FORBES: Plugging A Math Gap

For his day job he's been a professor at Harvard for 20 years, specializing in geometry, differential equations and mathematical physics.

FORBES: Plugging a Math Gap