用幂级数展开法得到了求解该圆柱形梯度壳自由振动的三维精确公式。
The 3d exact equations to solve free vibration of the cylindrical shell were obtained by using power series expansion method.
用幂级数展开法研究了具有两种温度绝热离子的冷尘埃等离子体体系的集体行为。
The power series expansion method is utilized to study the collective behavior in dusty plasma consisting of cold dust particles and two-temperature isothermal ions.
本文提出了一个基于多结点插值样条和有限级数展开法的直接三维图像重建方法。
A direct 3-d image reconstruction method based on many-knot interpolating spline and finite series-expansion technique is presented in this paper.
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