不同的是月球或火星，小行星不会有什么，如果有的话，重力举行宇航员或车辆在其表面，因此一个锚是必要的。
Unlike the moon or Mars, an asteroid would have little, if any, gravity to hold astronauts or vehicles to its surface, so an anchor would be necessary.
采用室内相似模型试验和数值模拟方法，对某悬索桥重力式锚碇变位问题进行了研究。
Based on model test and numerical simulation, the research on displacement of a gravity anchorage of a suspension bridge has been carried out.
对带底圈重力式网箱在纯波浪作用下的锚绳受力进行了研究，获得了锚绳受力峰值及相位关系的基本规律。
The force mechanics of the wave and current acting on the Gravity Cage is rather complicated since the Gravity Cage is a kind of flexible floating structures.
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