coefficientlyadv.共同作用地coefficientn.系数coefficient of rank correlation等级相关系数coefficient of linear extension线伸长系数coefficient of mutual induction互感系数coefficient of mutual diffusion相互扩散系数coefficient of water absorption吸水系数coefficient of commensurability可公度的系数coefficient of effective action有效作用系数coefficient of volume viscosity体积粘性系数coefficient of sound absorption吸声系数coefficient of volume expansion体膨胀系数

1. The coefficient functions of the hyperbolic equations considered are assumed to be piecewise constant.
   我们假设在所考虑的微分方程中，系数函数为片段常函数。
2. A global smoothing method based on polynomial splines is used to estimate the coefficient functions in functional-coefficient linear autoregressive models.
   摘要基于多项式样条全局光滑方法，建立函数系数线性自回归模型中系数函数的样条估计。