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天文大地网平差
释义
天文大地网平差
Encyclopedia
工学
大地起算数据
释
adjustment of astro-geodetic network
天文大地网平差
为消除天文大地网中各观测值之间的几何矛盾,按最小二乘法求定网中各几何要素(角度、边长、方位、坐标)的最佳估值和评定其精度所进行的计算。
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Irrigation and Drainage Rules of the North Song Dynasty
irrigation and drainage station of electric engineering
irrigation and fertilization machinery
irrigation area
irrigation areas in China
irrigation canal system
irrigation date
irrigation development planning
irrigation district management organization
irrigation duty
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irrigation emitter
irrigation engineering operation and maintenance
irrigation experiment
irrigation grass industry
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irrigation law
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irrigation machinery
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irrigation method and technology experiment
irrigation mode of pasture
irrigation principle
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irrigation program experiment
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