Self-anchored suspension bridge is a kind of suspension bridge with its main cable anchor on the ends of its girder directly, with the girder bearing the level component of forces from the main cable.
自锚式悬索桥是一种将主缆直接锚固于加劲梁两端,由主梁直接承受主缆中水平分力的悬索桥。
Central to the first military component is the training and vast expansion of the Afghan security forces. Yet even the current, much more modest efforts to build up those forces are floundering.
第一个组成部分来源于军事方面,最核心的问题是训练并大量扩张阿富汗安全部队,但目前建立部队仅采取了相对适度的尝试,即便如此依然举步维艰。
Because of the resistive forces, because of the drag by the liquid, the object is going to get a velocity in this direction, so there's going to be a component of the resistive force opposing it.
因为阻力,因为液体中的阻力,物体的速度,是朝这个方向,所以会有,一个相反的阻力。
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