Gravity data have the advantage of wide range, high precision and resolution and relative cheap observation cost, so that the gravity field which contains abundant information has broad applications.

重力场所包含的信息十分丰富且重力资料具有范围广、精度和分辨率高、观测成本相对较低廉等优势也就决定了重力场具有广泛的应用。

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They have a huge cost advantage relative to all their competitors.

FORBES: Round Table