gravimeter
gravimeter[grəˈvɪmɪtə]noun- an instrument for measuring the difference in the force of gravity from one place to another
重力仪
派生gravimetric[ˌgravɪˈmɛtrɪk]( ) adjective语源- late 18th cent.: from French gravimètre, from grave 'heavy' (from Latin gravis) + -mètre ('instrument) measuring'
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