Keratin
发表于 2025-3-25 06:37:52
Underground geodesy, been developed and implemented, related to the link between the surface and underground geodetic networks, the guiding control with accurate gyro traverses and the check of cross sections with photoprofiling or profile scanners. Instruments and methods are described by the authors and the results presented.
Hiatus
发表于 2025-3-25 10:54:09
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箴言
发表于 2025-3-25 12:05:32
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inchoate
发表于 2025-3-25 16:58:20
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Adornment
发表于 2025-3-25 23:38:28
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AGOG
发表于 2025-3-26 01:56:04
Enterprise Interoperability VIIIern instruments and observation methods it is presently possible to determine an azimuth with a standard deviation of 3″ to 6″ within less than one hour. The principles of non-rotating optical gyroscopes are presented and their potential as alternatives to conventional instruments is discussed.
伟大
发表于 2025-3-26 08:02:02
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neurologist
发表于 2025-3-26 08:55:23
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按等级
发表于 2025-3-26 15:28:43
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套索
发表于 2025-3-26 18:46:58
Accuracy problems when combining terrestrial and satellite observations,s affected by a number of network external influences. The first task can be overcome by the technique of estimating variance components of the individual observation groups, the second one can be handled by applying S-transofrmations to covariance matrices. The paper deals with problems of the hybrid stochastic model. Examples are given.