The apparatus used for the gravity measurement is relatively cheap and handy.
作为重力测量仪器来说，它既便宜，又方便灵巧。
Use a model of the vestibular apparatus to assess perception of gravity and acceleration.
用前庭器官的模型来估计重力和加速度的感觉。
The method and apparatus have a reduced sensitivity to error sources, i. e. gravity, internal friction and operator interference (unsteady holding of the instrument).
该方法和装置具有对误差源，即，重力、内部摩擦力和操作者干涉(不稳固地保持仪器)而言减小的灵敏度。
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