The methods, Whose measuring accuracy is higher than the inertial balance, have some properties such as clear principle, simple method and convenient operation.

这几种方法都具有原理清晰、方法简单、操作方便的特点，其测量精度都高于惯性称。

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Sea gravimeter is an important equipment for improving the precision of navy inertial navigation systems. The servo loop of gravity sensor determines its precision and dynamic properties.

海洋重力仪是改善舰船惯导系统精度的重要设备，其重力传感器的伺服回路决定着仪器的精度和动态性能。

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