body axis meaning in English

机体轴线
肩轴，横轴
联系轴
物体轴线

The eolutionary precursor to the backbone , the notochord is a fine , flexible chord defining the body axis in the early embryos of all ertebrates
脊索是脊椎进化的前体，脊索在所有的脊椎动物胚胎早期起到柔韧轴的作用。
The approach of obtaining the guidance coefficients can be utilized in the situations in which more than four coefficients are hired for guidance to enhance the guidance performance . in addition , more precise earth model , which is non - spherical and will circle around its body axis , can be considered , and this will lead to more true results
最后，本文对进一步的工作提出了建议，认为可以考虑用四维以上的制导参数确定反馈增益系数以改善其制导性能，另外，可以进一步考虑地球旋转时影响飞船再入段纵程的因素，使得拟合结果更接近实际情况。