Peasant is often as simple and pure as the soil, and work hard.
农民常象土地一样单纯，又艰险劳作。
The improved method is simple to handle load on soil surface and calculate crack depth.
改进的库仑精确解算法对超载的处理及裂缝深度的计算简单；
The improved method is simple to handle load on soil surface and calculate crack depth.
改进的库仑精确解算法对超载的处理及裂缝深度的计算简单；
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