设计了一个二维混合模拟程序，并用其计算了等离子体物理中的束流不稳定性。
A 2d hybrid code is designed, and in order to test it, the beam instabilities in plasma using this code is studied.
设计了一个二维三分量的粒子模拟程序，并用它计算了空间物理中两种常见的物理现象：束流不稳定性和磁场重联。
Using this method, we design a 2D particle simulation code, and numerically study two common physical phenomena in space physics:beam instability and magnetic reconnection.
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