With the density of entropy of curved space-time, we have calculated black hole entropy directly, and avoided the difficulty of solving the field equation.

用弯曲时空的熵密度对黑洞熵进行了直接计算，避免了求解场方程的困难。

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The entropy density is constant ahead of the shock.

冲击波前方的熵密度是恒定的。

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Discrete formulas expressed by Gauss-quadrature are presented when determine the parameter of probability density function which is established based on maximum entropy theory.

给出确定利用最大熵原理建立的功能函数概率分布密度的待定参数时由高斯积分表达的离散化公式。

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