“质扩散率”的概念、定义、翻译、参考文献-科学参考

单词	质扩散率
释义	质扩散率 Encyclopedia 工学质扩散率释 mass diffusivity质扩散率单位时间内在垂直于物质扩散方向的单位截面积上所扩散的物质量（称为扩散通量）与该截面处物质浓度梯度之间的比例系数。又称质扩散系数。
随便看	principal curvature principal curve principal curves principal deformation principal determinant principal diagonal principal diameter principal dielectric axes principal direction principal direction of curvature principal discrete series principal disjunctive normal form principal distribution parameter principal divisor principal dual ideal principal element principal element elimination principal elliptic term principal enumeration principal equation principal escaped point principal factor principal fiber bundle principal fiber space principal fibration

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