obstruct
发表于 2025-3-28 18:30:50
3D-Positioning and Mapping,The sequence of events that occurred as the Earth crust cooled is difficult to reconstruct. It is possible, however, that the Earth’s surface could still have been dominated by a salty ocean: a hydrosphere.
arthroscopy
发表于 2025-3-28 19:08:30
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热烈的欢迎
发表于 2025-3-29 01:40:35
Conformal Projections - Using Reference Ellipsoids,For mapping an area of considerable extent in longitude, a geometrical system based on the notion of an east-west centre line can be used.
constitutional
发表于 2025-3-29 04:06:16
,About History - A Bird’s-Eye View,The history of astronomy is the growth of man’s concept of his world, the source and essence of his life. In the ancient world and in the following centuries astronomy was already a highly developed science.
Console
发表于 2025-3-29 08:18:01
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Tartar
发表于 2025-3-29 13:55:16
ICT Applied to Sea Surveying,Together with ice, the liquid water covers over 70.6 % of the Earth’s surface, the hydrosphere. Despite great advances in hydrographic surveying and remote sensing techniques, this area cannot be easily mapped. The world’s oceans are the largest not fully explored regions in the world. It remains a major frontier in the third millennium.
subacute
发表于 2025-3-29 16:22:08
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友好
发表于 2025-3-29 20:35:42
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粘土
发表于 2025-3-30 02:34:23
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发酵剂
发表于 2025-3-30 08:03:40
Trusting Code and Trusting Hardware, go to the Moon to look at the true shape Earth, all early civilisations imagined the Earth as a flat disk, with peaks heaped upon it like food on the king’s table. Throughout the past five centuries, the mathematicians not only extended the subject vastly but, as they made successive extensions, as