主矩 principal moment
- 这些方程最简明地给定了物体转动运动量与物体所受力系主矩之间的关系。
These equations most briefly demonstrate the relationship between rotational motion quantity of body and principal moment of force system. - 本文对截面具有两个不相等主惯性矩的海洋石油立管的三向大位移分析作了理论推导。
A formulation to analyse the large displacement problem of a Marine riser with two unequal principal moments of inertia of the cross section in the 3-d space is presented. - 第三节研究地球主惯性轴方向的确定方法,第四节给出地球主惯性矩、主惯性轴方向和地球扁率的数值结果。
Section 3 studies the directions of the Earths principal axes of inertia, and Section 4 presents the num.
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