THE EXTERNAL SOLUTIONS OF THE EQUILIBRIUM OF PLASMA WITH QUASI-ELLIPTICAL CROSS SECTION IN A TOROIDAL AXIAL-SYMMETRIC SYSTEM
环形轴对称系统准椭圆截面等离子体平衡的外部解

By using two kinds of wangerin transformations, the external analytical solutions for a set of important conventional configurations with quasi-elliptical cross sections (including such configurations, as elliptical, tear drop, fingerring, etc.) are obtained. These solutions are not subject to the limitation of small aspect ratio. In the vaccum region near the plasma boundary, a simple approximate solution is found.