Gravity gradient is the second order derivative of gravitational potential, which can be observed by satellite gradiometer.
摘要重力梯度为重力位的二阶导数，可以通
星载梯度
行观测。
②测
Gravity gradient is the second order derivative of gravitational potential, which can be observed by satellite gradiometer.
摘要重力梯度为重力位的二阶导数，可以通星载梯度行观测。
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