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采用概率方法分析了卫星齿轮传动系统的运动精度、动力精度和均载性能等基本设计指标。
The basic design property index of satellite gear trains that include movement precision, dynamics precision, equal load property are analyzed with probability method.
在一高层双塔楼静力风载风洞试验的基础上，采用时均数值模拟的方法，对其绕流风场进行了模拟，获得了风场的绕流特点和塔楼表面风压的分布规律。
Wind flow around twin-tower tall buildings is generally complicated and there is no simple method or laws for determination of the induced surface pressures on such buildings.
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