The research shows that the elastoplastic BEM is satisfactory for analyzing flat rolling of plate and strip.

该研究表明，弹塑性边界单元法用来分析板带轧制是满意的。

In the paper, the elastoplastic boundary element method (BEM) of the initial strain is worked at calculating parameters of flat rolling of plate and strip.

本文在计算板带轧制中的参数时应用了初始应力的弹塑性边界单元方法。

The well-paved surfaces and rolling hills became flat, dusty, pot-holed roads, with mountains never closer than the horizon.

在起伏的山地上铺设良好的道路变成了平地上坑坑洼洼，尘土飞扬的道路，而山却总是远在地平线上。

Bowling is a sport in which players attempt to score points by rolling a bowling ball along a flat surface, usually a wooden or synthetic surface, either into pins or to get close to a target ball.

保龄球是一种在平滑球道上用球滚击球瓶从而得分的体育运动，球道通常为木制或合成材料。

The landscape is flat, or at most gently rolling.

这里风景单调，大多都是延绵起伏的缓坡。