给出了用三心定理求解其速度瞬心的递推关系及其应用实例。
For the convenience of its application, the paper gives the iteration relation for solving transient velocity center by the theorem of three centers.
指出了用于速度分析的三心定理的局限性，应用罗洪田定式应注意的一些问题。
The limitation of three link theorem in velocity analysis and the main problems in application of Lou s theorem are pointed out.
本文运用理论力学中运动学的速度合成定理，给出了一般情况下平面机构运动三心定理的求证过程。
Based on the theorem for the composition of velocities in theoretical mechanics, the author gives out the demonstration of the theorem of three instantaneous centers of velocity in general conditions.
另外，网络图与相对运动图解法结合得出了求解二自由度平面机构速度瞬心的一种可行方法，这类机构的速度瞬心单纯采用三心定理是不可能求解的。
In addition a feasible method of finding out velocity instant centers of plane mechanisms for two degrees of freedom can be obtained by means of combining net gr...
通过五个定理给出三角形“五心”的向量表示方法，并提供证明。
The author gave out the delta the vector representation of "five minds" by means of five theorems. and supplied the proof.
本文用射影观点考察三角形的“五心”定理，通过配极变换推出五个新的命题。
The author of the essay studies the transmutation of the triangular theorem of "Five Centers" theorem from the projective viewpoint and puts forward five thoughtful propositions through polarization.
本文用射影观点考察三角形的“五心”定理，通过配极变换推出五个新的命题。
The author of the essay studies the transmutation of the triangular theorem of "Five Centers" theorem from the projective viewpoint and puts forward five thoughtful propositions through polarization.
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