另外，钟摆理论（pendulum theory），亦有助分辨牛熊市。在牛市中，钟摆往往向上摆，即抛离二百五十天线越来越高，鲜见低于二百五十天线，即使跌穿了二百五十天线，...
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A mechanical model for the offset-axes pendulum drill assembly (OAPDA) was established according to the continuous beam theory and the d.
运用纵横弯曲连续梁理论和达朗伯原理，建立了偏轴钟摆钻具组合动力学分析模型。
Based on error transfer theory and error synthesis, the maximum pendulum Angle is determined when simple pendulum is used to measure acceleration of gravity.
根据误差传递理论和误差合成方法确定了单摆测重力加速度时的最大摆角。
Based on the theory of horizontal pendulum, the theoretical function model of magnetic error of self adjusting level is deriveted, and observation equation in geomagnetic field is set up.
利用物理摆原理导出了自动安平水准仪磁致误差的理论函数模型，建立了地磁场中的观测方程。
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