这可为选择高效的校正平面，或改变油膜参数以提高平衡精度提供参考。
The previous study may help to improve the accuracy of balancing by suitable choosing the correcting planes and changing the coefficients of oil films.
中国人用重力仪来校正海平面的局部偏差。
The Chinese used a gravity meter to correct for local deviations in sea level.
其次研究了几种主要的非均匀校正方法以及焦平面阵列元的盲元检测和补偿的方法，对红外图像处理技术做了研究。
Then, it researched some main methods of nonuniformity correction and detecting approach and compensation of blind-pixel of focal plane array, and the techniques of infrared image processing.
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