In other words, the vertical component of its linear momentum remains zero, since there is no resultantvertical force.
换句话说，因为没有竖直方向的合力，所以线动量的竖直方向仍为零。
2
The frame, which is formed by buttress, breast wall and side wall bear the horizontal loads, and group pile cap bears the resultant force of vertical and horizontal loads.
由扶壁、耳墙、胸墙组成的框架抵抗水平荷载，而以承台、桩基抵抗垂直及水平荷载的共同作用力。
3
The frame which is formed by buttress breast wall and side wall bear the horizontal loads and group pile cap bears the resultant force of vertical and horizontal loads.