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
导数，可以通过星载梯度仪
行观测。
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导数，可以通过星载梯度仪行观测。
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