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An Improved Model of the Earth's Gravitational Field
J. G. Marsh
其他書名
GEM-T1
出版National Aeronautics and Space Administration, Goddard Space Flight Center, 1987
URLhttp://books.google.com.hk/books?id=WUIswpBQFk4C&hl=&source=gbs_api
註釋GEM-T1 (Goddard Earth Model) a model which has been developed from an analysis of direct satellite tracking observations, is the first in this series of models produced. GEM-T1 is complete to degree and order 36.