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国家重力控制测量规范
Specifications for the gravimetry control
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国家一、二等水准测量规范
Specifications for the first and second order leveling
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地理信息 元数据
Geographic Information-Metadata
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导航地理数据模型与交换格式
Data model and data exchange format for navigable spatial database
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中、短程光电测距规范
Specifications for short to medium ranges electro-optical distance measurements
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国家基本比例尺地形图更新规范
Revision specifications for the national fundamental scale topographic maps
价格：￥0.00
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地理信息 大地测量代码与参数
Geographic information.Geodetic codes and parameters
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加密重力测量规范
Specifications for the dense gravity measurement
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大地天文测量规范
Specifications for the geodetic astronomy
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