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本文叙述了对一架加拿大制CG-2型重力仪进行多年的定点观测试验工作。使用不同恒温条件,发现以一年为周期的缓慢变化,幅度可达500微伽。认为外界温度变化对仪器读数的干扰起主要影响。
This article describes years of fixed-point observations of a Canadian CG-2 gravimeter. Using different isothermal conditions, we found a slow change of one year, with an amplitude of up to 500 microgamma. It is considered that external temperature changes have a major influence on the interference of the instrument readings.