Russian standards PDF
Global navigation satellite system. Methods and technologies of execution geodetic and cadastral works. Determination of relative coordinates by pseudo-range measurements. Basic principles
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Global navigation satellite systems. Methods and technologies of execution geodetic and cadastral works. Integer-cycle ambiguity resolution for phase pseudo-ranges. Basic principles
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Global navigation satellite systems. Methods and technologies of execution geodetic and cadastral works. General technical requirements
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Classification overall performance of influence of environmental conditions appearing in nature on the technical products. Air pressure
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Information and communication technologies in education. Electronic learning resource. General regulations
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Information technology. Information-computing systems. Life cycle stages and steps, kinds and completeness of the documents
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