“Laplace's equation”的概念、定义、翻译、参考文献-科学参考

单词	Laplace's equation
释义	Laplace's equation [lǝ`pläs·ǝz i´kwā·zhǝn] ^ACOUSTICS An equation for the speed c of sound in a gas; it may be written c = √(γp / ρ), where p is the pressure, ρ is the density, and γ is the ratio of specific heats. ^MATHEMATICS The partial differential equation which states that the sum of all the nonmixed second partial derivatives equals 0; the potential functions of many physical systems satisfy this equation.
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