The Chinese used a gravitymeter to correct for local deviations in sea level.
中国人用重力仪来校正海平面的局部偏差。
2
The moon gravitymeter has good experimental effect on the earth before landing on the moon, but it can't normally work when astronaut set up the gravitymeter on the moon on schedule.
登月前在地球上进行的试验效果良好，但是，当宇航员按登月计划在月球上布置好重力仪后，却不能正常工作。
3
This paper describes the automated Burris metal zero-length spring gravitymeter produced by the Zero-Length Spring Corporation, USA, which is an upgrade of LaCoste & Romberg land meters.
美国零长弹簧公司（Zero-Length Spring Corporation）生产的贝尔雷斯（Burris）金属零长弹簧自动重力仪，是拉科斯特-隆贝格（LaCoste&Romberg）陆地重力仪的升级产品和重大改进。