By the polygonal approximation method, a global approximation solution is constructed for the initial-boundary value pro摘要使用折线逼近法，对具有两条边界影响的非凸单个守恒律初边值问题构造了整体近似解，并证明其收敛到初边值问题的整体弱熵解。
The explicit formula for the line-integrated emissivity with taking into account the plasma boundary effect is presented本文给出了这种情况下的线积分辐射率明晰表达式。