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[ellipsoid]
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˹<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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1967<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵ
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1975<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵ
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1980<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵ
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WGS-84(GPS<50><53>λϵͳ)
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[WGS-84(GPS<50><53>λϵͳ)]
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a=6378137
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1/f=298.2572233563
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date=1984
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append=GPS<50><53>λϵͳ
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[1967<36><37><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵ]
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a=6378160
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1/f=298.247167
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date=1967
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append=1971<37><31><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƽ<EFBFBD>ֵ
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[1975<37><35><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵ]
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a=6378140
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1/f=298.257
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date=1975
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append=1975<37><35><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƽ<EFBFBD>ֵ
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[1980<38><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵ]
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a=6378137
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1/f=298.257
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date=1979
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append=1979<37><39><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5>ĸ<EFBFBD><C4B8>Ƽ<EFBFBD>ֵ
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[<5B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˹<EFBFBD><CBB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>]
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a=6378245
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1/f=298.3
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date=1940
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append=<3D>й<EFBFBD><D0B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>
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