The force center theory and the design method with the theory is established for bi axial self synchronous shaker with elliptic plane movement.
建立了双轴自同步平动椭圆振动筛的力心理论和利用力心理论设计的方法。
This paper gives two kinds of calculation methods of natural frequency of a mass-even elliptic column which oscillates in miniamplitude on a plane, obtains two formulas of natural frequency.
本文给出了匀质椭圆柱体在平面上作无滑动的微幅摆动之固有频率的两种计算方法，得到两个固有频率的计算公式。
This paper presents some equations of adjoint motion for spacecrafts moving in elliptic orbit of different plane.
本文给出在非共面椭圆轨道上运行的航天器的伴随运动方程。
The paper presents the graphic method of solution of the intersection of right elliptic cone with plane by rotation of auxiliary planes at a certain Angle.
提出一种将辅助平面旋转某个特定的角度图解正椭圆锥面截交线的方法。
With the concavity and integrability of sublinear terms near zero, the symmetry results for a class of sublinear elliptic equations are given by making use of the moving-plane method.
摘要本文利用次线性项在零点附近的凹性和可积性，用移动平面法给出了一类次线性椭圆方程正解的对称性。
Under definite conditions, the intersection of an elliptic cone with a plane is a circle.
在特定条件下，椭圆锥与平面的截交线为圆。
Under definite conditions, the intersection of an elliptic cone with a plane is a circle.
在特定条件下，椭圆锥与平面的截交线为圆。
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