wake region meaning in English

尾流区
尾柳

In chapter two , using the hydrodynamical equations for electrons and maxwell equation and through complicated calculation , we finally obtain a set of equations which describe the non - steady and nonlinear interactions between plasma and field in the wake region of a moving body in space
第二章是从描述电子的磁流体方程和麦克斯韦方程出发，通过计算，最后得到了一组在考虑非静态极限下描述空间飞行器远尾区内等离子体与场之间的非稳态非线性相互作用耦合方程。