本文以重心平面安装隔振系统为例，介绍了抑制共振与减小耦联振动的设计理论与方法。
By giving an example of heart-plane-install Vibration-isolation system. This article introduces the design theory and method.
从另一个角度看，一个平面物体的重心就是,如果在重心处拿起物体，它就能完全地保持平衡。
The other way to think about it, if I had a flat object then the center of mass would basically be the point where I would need to hold it so it is perfectly balanced.
利用这种解析关系，可以在平尾相对面积和飞机重心位置的参数平面上，绘制出各种限制边界，形成所谓“剪刀图”。
Using the analytical relationship, many boundaries namely scissors sketed, could be drawn on the parameter plane of horizontal tail area and aeroplane center of gravity.
利用三角形的重心坐标，证明涉及三角形平面上一动点的一些不等式。
Prove some inequalities involving a moving-point on the plane of triangle with it′s distance coordinates.
利用平面图形几何重心公式计算回采工作面水平投影图形的重心坐标，然后根据影响传播角和开采深度计算下沉盆地中心位置的坐标。
The barycentric coordinates of the plane view projection of a coal face are solved with a formula of geometric gravity centre.
利用平面图形几何重心公式计算回采工作面水平投影图形的重心坐标，然后根据影响传播角和开采深度计算下沉盆地中心位置的坐标。
The barycentric coordinates of the plane view projection of a coal face are solved with a formula of geometric gravity centre.
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