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
A new gravity-flow meter under controlling of a single chip computer is introduced.
本文介绍了单片机控制下的一种新型重量式流量计。
3
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.