This paper solves the analytical solution for a simple three-directional electriccell models and some good results are obtained.
本文着重简单三维模型的电流密度求解计算，并对其计算结果进行了详细分析，取得了一定的研究成果。
2
Boeing has flown a Dimona motor glider with an electric motor powered by a fuel cell.
波音公司试飞了一架利用燃料电池做动力来驱动电动机的迪莫诺动力滑翔机。
3
When an insect brushes against them, this triggers a tiny electric charge, which travels down tunnels in the leaf and opens up pores in the tear's cell membranes.