但直到19世纪数学家们才发现隐藏在数学方程解法中的对称性，其中包括郁郁寡欢的法国数学天才艾瓦里斯特·伽罗瓦。
But it was not until the 19th century that mathematicians such as Evariste Galois, an unhappy French genius, discovered symmetries hidden in the solutions to mathematical equations.
根据经典力学和德布罗意理论，运用四次方程理论，推出了圆锥摆的能谱。
According to classical mechanics and DE Broglie theory, this paper USES quadruplicate equation theory, and deduces the energy spectrum of conical pendulum.
对索罗模型进行了较为深入的研究：由中性技术进步的生产函数出发，推导索罗增长速度方程；
Delves into the Solow model in three aspects: Deriving the Solow Growth Equation from production function of neutral technology development;
对索罗模型进行了较为深入的研究：由中性技术进步的生产函数出发，推导索罗增长速度方程；
Delves into the Solow model in three aspects: Deriving the Solow Growth Equation from production function of neutral technology development;
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