本文采用有限元法分析考虑前屈曲几何非线性影响的结构稳定性。
This paper provides the structural stability analysis considering geometric nonlinearity on the prebuckling path by the finite element method.
就在冬至前三周，晨曦时分，纳米比亚大沙漠的东边的沙丘上，最后一缕灰色的晨雾衬着粉色的天空蜿蜒屈曲。
At dawn, three weeks before the winter solstice, the last tendrils of fog curled gray against the pinking sky over a sand dune on the eastern edge of the Namib Desert.
骨盆保持着平衡，因为腰肌使大腿前侧屈曲，臀肌使大腿前侧伸长或者伸展。
The pelvis is kept balanced because the psoas flexes the thigh, and the glutei make the thigh lengthen, or extend.
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