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为了研究重力仪测值的气压改正,本文提出了建立低压舱的必要性,并介绍了低压舱系统的结构原理和性能指标的测试。
In order to study the correction of barometric pressure in gravimeter, this paper puts forward the necessity of establishing a low-pressure tank and introduces the structural principle and performance test of low-pressure tank system.