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它也包含了月球对地月质心的摄动和采用各向同性的标准坐标系表示的相对摄动。 It also contains the perturbations of the Moon onto the earth-moon barycenter and the relativistic perturbations expressed in isotropic and standard coordinates. | ||
行星的摄动使得地球绕太阳的轨道是不规则的。 Planetary perturbations make the earth's orbit about the sun irregular. | ||
采用复变函数及摄动方法，最后以幂级数形式给出应力强度因子的计算公式。 Stress intensity factors at the craek tips are computed by complex variable functions and perturbation method and formulas are given in power series forms. | ||
然而，传统的磁链估计器的精度会因定子或转子电阻的摄动而降低。 However, the accuracy of traditional flux estimators will be degraded due to perturbations of stator or rotor resistance. | ||
研究了具有参数摄动、外界干扰等不确定因素影响的线性大系统的分散控制问题。 The decentralized control problem is discussed for a class of uncertain linear composite systems with parametric perturbation and exterior disturbance. | ||
这并不是任何老的摄动，它的形状是圆的，它是一种可以获得的、特殊类型的轮廓侧面。 It's not any old perturbation, it's circular and it's got a particular type of profile. | ||
采用小参数摄动法，导出了系统的一阶和二阶控制方程，边界条件，连续条件，平衡条件及相容条件。 Taking a proper asymptotic sequence and perturbation technique, the control equations, the continuity, equilibrium and compatibility conditions of the first order and second order are derived. | ||
分析了半长轴和倾角摄动变化率，以及初始半长轴和倾角偏置量对地面轨迹漂移的影响。 The effect of rate of change for semimajor axis and inclination perturbation and drift of semimajor axis and inclination on the ground-track drift was analyzed. | ||
