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THE ROLE OF ASTRO-GEODETIC IN PRECISE GUIDANCE OF LONG TUNNELS
Astro-geodetic TZK2-D Underground surveying vertical deflection
2016/1/15
One of prime aspects of surveying projects is guidance of paths of a long tunnel from different directions and finally ending all paths in a specific place. This kind of underground surveying, because...
Department of Aeronautics and Astronautics（Aero-Astro）, Massachusetts Institute of Technology（图）
Aero-Astro Department of Aeronautics and Astronautics Massachusetts Institute of Technology 航空学 航天学
2007/12/27
The Aero-Astro Department's mission is to prepare engineers in the fundamental principles and disciplines necessary for success and leadership in the conception, design, implementation, and operation ...
日本发射首颗红外天文卫星ASTRO-F（图）
日本 红外天文卫星 ASTRO-F
2006/2/23
日本首颗红外天文卫星“ASTRO-F”于东京时间2006年2月22日6时28分（北京时间5时28分）由“M-5”型火箭运载，从位于日本南部的鹿儿岛县内之浦宇宙空间观测所升空。