本文给出了在复杂运动条件下，单摆的运动微分方程。
This paper give differential equations of the motion of the complex pendulum.
初始条件，方程(3)给出了高速公路交通流过程的完整描述。
With initial condition, equation (3) gives a complete description of the freeway flow process.
然后，对该方程在单轴应力条件下进行了求解、分析与试验验证。
The solution, analysis and experimental validation of the new equation under uniaxial stress were performed.
然后，对该方程在单轴应力条件下进行了求解、分析与试验验证。
The solution, analysis and experimental validation of the new equation under uniaxial stress were performed.
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