The muscles of the torso stabilize the spine and provide a solid foundation for movement in the extremities.
躯干肌肉对脊骨起到稳定作用，并且对四肢的运动提供了坚实的基础。
When these muscles contract, we stabilize the spine, pelvis and shoulders and create a solid base of support.
当这些肌肉收缩的时候，对于脊骨、盆骨以及肩部起到固定、支持的作用。
Transparent imaging could display the inner structures of most solid or hollow organs, fetal spine and ribs could be shown completely and continuously;
三维超声透明成像可立体地显示实质性脏器内部结构的空间位置关系，胎儿的脊柱、肋骨等结构可完整连续显示；
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