Using the method of power series, we have solved the problem for shallow shell of an ellipsoid of revolutin on an elastic foundation under uniform normal load.
利用幂级数法，求解了在均布荷戴作用下，在弹性基础上的椭园扁壳的问题。
The 3d exact equations to solve free vibration of the cylindrical shell were obtained by using power series expansion method.
用幂级数展开法得到了求解该圆柱形梯度壳自由振动的三维精确公式。
Products include metal packaging shell, seal connectors, lithium battery cover group, sensor, a high power LED lamp sintering stent 5 old series such as several varieties.
产品包括金属封装外壳、密封连接器、锂电池盖组、传感器烧结座、大功率LED灯支架等五大系列十几个品种。
Products include metal packaging shell, seal connectors, lithium battery cover group, sensor, a high power LED lamp sintering stent 5 old series such as several varieties.
产品包括金属封装外壳、密封连接器、锂电池盖组、传感器烧结座、大功率LED灯支架等五大系列十几个品种。
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