The movement of multi-rigid-body system interconnected by smooth hinge moving in space and plane are deeply studied with the discrete time transfer matrix method of multibody system.

深入探讨多体系统离散时间传递矩阵法对平面、间刚体光滑铰多体系统运动响应的研究。

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The skin of our backs descends into a v, like a bird's wing does to its body-a bone hinge covered in smooth skin, our spines locked together at the base.

我们背上的皮肤向下延伸成一个“V”，就像鸟儿身体上的翅膀——一段覆盖在光滑皮肤下，绞缠在一起的骨头。我们的脊椎在底部锁在一起。

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The skin of our backs descends into a V, like a bird's wing does to its body—a bone hinge covered in smooth skin, our spines locked together at the base.

我们背上的皮肤向下延伸成一个“V”，就像鸟儿身体上的翅膀——一段覆盖在光滑皮肤下，绞缠在一起的骨头。 我们的脊椎在底部锁在一起。

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