| 摘要 |
A gravity gradiometer is disclosed which comprises a pair of sensor masses 41, 43 arranged in housings 45, 47 . Transducers 71 are provided for measuring movement of the sensor masses in response to the gravity gradient tensor. The masses are supported for movement by a flexure web 59 between the mass and a support and a stop comprises a pair of abutment services 554, 555 and 558, 559 defined by a cut 550 prevent movement of the sensor masses 41, 43 beyond the elastic limit of the flexure web 59.
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