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重力仪的格值因温度变化或其它原因发生变化后,用原格值计算的重力段差值要进行改算或重新计算。本文推导了重力仪格值变动后,改算重力段差值的简单公式,方法比较简便,能保证所需精度。
Gravimeter grid value due to temperature changes or other reasons change, the original grid value calculated by the difference between the gravity section to be converted or recalculated. In this paper, a simple formula for calculating the difference of gravitational force after the variation of the gravimeter’s value is derived. The method is simple and can ensure the required accuracy.