常見例句雙語例句And the infinitesimal spiral motion of a particle is defined as the instantaneous motion of the particle.定義質(zhì)點的無窮小空間螺鏇弧運動爲質(zhì)點的瞬時運動。The paper studies the form invariance of differential equations of motion for holonomic systems in terms of quasi coordinates, under the infinitesimal transformations of groups.研究完整力學系統(tǒng)準坐標表示的運動微分方程在群的無限小變換下的形式不變性。 返回 infinitesimal motion