主要观察指标：骤停旋转试验及正弦摆动试验结果。
MAIN OUTCOME MEASURES: the results of the sine swing test and the rotation sudden pause test.
通过改变砂轮转速、砂轮摆动频率、轴向进给量，获得了一些具有对比性的试验结果。
By changing the speed of grinding wheel, its swing frequency and the feed speed of shaft direction, different experiment results were got.
地球模拟器是卫星姿态测量控制关键部件—摆动扫描式红外地球敏感器的一种重要地面模拟试验与精度标定仪器。
The earth simulator is an important ground simulation test and precision calibration equipment for infrared earth sensor which is the key component in the satellite controlling system.
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