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1985国家高程基准
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1985国家高程基准
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1985 national height datum
1985国家高程基准
采用青岛水准原点和根据青岛验潮站1952~1979年潮汐观测数据确定的黄海平均海面所定义的高程基准。1988年1月1日启用。
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