axis of gravity

Therefore, the bending moment may cause normal stress at the axis of gravity, and the concept of equivalent axial force is induced.

因此弯矩在形心处要引起正应力，从而引出所谓等效轴力的概念。

The centre of gravity is displaced by a weight below the rotational axis.

调节旋转轴之下的一个重物,使重心发生位移.

The inertia coupling, velocity coupling, and gravity effect of a three-axis simulator are important factors having influence on simulation precision.

三轴仿真转台的惯性耦合、速度耦合及重力效应是影响仿真精度的主要因素。

According to the direction and damping characteristic of the torque produced by the magnetic torques, the three-axis attitude control schemes of gravity gradient satellite and other satellite with damper were put forward in this paper.

根据磁力矩在地磁场中的定向阻尼特性，提出了磁控重力梯度和有阻尼器的非重力梯度卫星姿态控制律。