研究了绝对坐标法在大变形柔性梁系统刚-柔耦合动力学问题中的应用。
The application of an absolute nodal coordinate (ANC) formulation in the coupling dynamics of flexible beams with large deformation was investigated.
保持姿势正确对青少年绝对必要，这有助于预防脊柱变形，防止在以后的生活中发生腰区病痛。
Good posture is essential for teenagers to avoid osseous changes in the spine and the onset of disorders in the lumber region later in life.
以激光器的原始测距误差为出发点，依据误差传递公式，分析了测量机翼变形量的绝对误差和相对误差，并给出了计算仿真结果和相应的图形。
According to original laser measure error and error analysis transfer expressions, calculations about absolute errors and relative errors of the measuring deformation of wing were performed.
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