研究表明：影响充液航天器姿态的因素除了机械臂运动的路径，还有机械臂运动的时间、机械臂转角的变化规律、液体的粘性、质量和惯性张量等。
Variations on which attitude of spacecraft dependents are time, law of motion of manipulators, liquid mass, liquid inertial tensor and damping coefficient besides paths of motion of manipulators.
本文分析了有效质量的物理意义，并对它的张量性质进行了讨论。
This paper analyses the physical sence of effective mass of energy band electron and also discusses its tensor.
粗纱锭翼两臂的动态扩张量对纺纱质量有着很大的影响。
The dynamic expanding of roving flyer has an effect on quality of spinning.
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