1) the periodicity of the whole proceduer of the universe
周天运动
2) diurnal apparent motion
天体周日视运动
1.
The altitudes of a celestial body are always changing during its diurnal apparent motion,which affects directly the quality of celestial observations.
天体周日视运动过程中天体的高度不断变化,对天体观测的质量有直接的影响,通过分析天体周日视运动过程中天体高度的变化率,给出不同观测时机进行天体高度观测的特性,并用曲线图的形式给出天体高度变化率的极值点和零值点。
3) axis of heavens
天体周日运动轴
4) periodic motion
周期运动
1.
Bifurcation of periodic motion on frequency in nonlinear vibration mechanism with piece-wise linearity;
分段线性-非线性振动机械周期运动关于ω的分叉
2.
he paper is concerned with the stability of the springless vibrohammer periodic motion with one shock per period.
本文讨论了无弹簧式振动锤锤体在每个运动周期内冲击一次的简单周期运动。
3.
Bifurcation and chaos of periodic motions of a single-degree-of-freedom system with piecewise-linearity is studied.
研究了一类单自由度分段线性系统周期运动的分岔和混沌现象。
5) period motion
周期运动
1.
Then the Poincaré map of its period motion is established by utilizing the stability theory of system with periodic coefficients.
研究了一类周期系数力学系统因周期运动失稳而产生Hopf-Flip分岔的问题。
2.
To investigate the dynamic stability of a two-degree-of-freedom manipulator as a system,differential equations of motion for this system were established on the basis of the Lagrange equation,and perturbed differential equations with period coefficients were derived for the period motion of this system by applying the perturbance theory.
为了研究两自由度机械手系统的动力学稳定性,基于拉格朗日方程给出了它的运动微分方程,并用扰动理论确定系统周期运动具有周期系数的扰动微分方程;根据F loquet理论对该系统扰动微分方程的平衡点的稳定性进行了分析,并用数值方法研究了平衡点失稳后的倍周期分岔过程。
3.
The Poincar map of the period motion is established following the Floquet theory .
研究了一类周期系数力学系统因周期运动失稳而产生Hopf分岔及混沌问题。
6) Circular motion
圆周运动
1.
Trajectory planning for the circular motion of manipulator and its implementation;
机械手圆周运动的轨迹规划与实现
2.
Doppler effect of sound source of circular motion;
声源作圆周运动时的多普勒效应
3.
This article gives five new methods of proving acceleration of circular motion.
本文给出了5种区别于现行大学物理教材的求证圆周运动加速度的新方法。
补充资料：大周天
大周天
大周天 气功学术语。系内丹术功法。指真气下至涌泉，中通任督，上达顶门，循经运注一周，归元丹田的功法。《玄微心印·胎息第一》：“有从左足底涌泉穴运上尾闾，行一周天；又从右足底涌泉穴行一周天；两足双行一次毕，仍静守黄庭，谓之大周天。”《杂病源流犀烛》对此有详细解说。又指任督内精气兼运。《三车秘旨》：“三车者，三件河车也。第一件运气，即小周天午运火也。第二件运精，即玉液河车运水温养也。第三件精气兼运，即大周天运先天金火。”又指内丹术中的炼神化气阶段，参见“炼神化气”条。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条