a series expansion and a method to determine the coefficients of the series expansion are given.
给出了单连通区域和多连通区域中的一般级数表达式及确定级数项系数的方法。
an exact solution for the problem under consideration is given in a series expansion form, based on which the attenuation and other features of wave propagation can be illustrated.
所得到的是以级数形式表达的精确解,它阐明了应力脉沖在该类介质中的衰减规律。
according to belotserkovskii「s method, using a series expansion and boundary layer method, an analytical solution for axisymmetric 」hypersonic flow over a flat-headed body has been obtained.
根据方法,使用级数展开和附面层方法,得到了轴对称高超音速绕流平头物体的一个解析解。