试验表明，短周期误差的60%左右可以被补偿掉。
As proved by experiments, about 60% of the short periodic errors can be compensated.
对于不同的仪器构成成份不同，有的仪器度盘有短周期误差，有的则没有。
But for different instruments, some have short-cycle error and the others have not.
基于齿轮副的动态啮合模型，对具有误差激励的齿轮副按长、短周期从理论上研究了其动态响应特征。
The paper researches the spectrum characteristics of dynamic response of the gear pair with the error excitation in the long and short period based on dynamic mating model of the gear pair.
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