A Sun Helmet的意思|示意

As for fans of Sun, the leading man, for most of the film, his handsome head is covered with a helmet and he had no more than five lines and couple of grunting sounds in the entire film.

而作为一个男主角孙红雷的粉丝，我对他在电影里面始终被厚重的头盔包裹着，同时说了不到五句台词而感到不悦。

After treating the two-dimensional ideal MHD equations with a multistep implicit scheme, we obtained a helmet streamer solution of the solar wind near the sun by use of the numerical method.

在对二维理想磁流体力学方程组采用多步隐格式进行数值处理后，利用长时间渐近方法计算得到了太阳风的盔状流动解。