【摘要】 本文概述了中国计量科学研究院研制的ＮＩＭ型绝对重力仪三十年来的研究发展情况，着重介绍了其参加在国际计量局举行的历次国际绝对重力仪比对的结果。比对结果表明，中国计量科学院在绝对重力测量研究方面达到了国际先进水平。更多还原

【Abstract】 Abstract We review the development of NIM’s absolute gravimeters in the near thirty years,and introduce the international comparisons of absolute gravimeters at BIPM from 1981 to 1994.It has been shown,that NIM has reached the international advanced level in the field of gravity measurement.更多还原